What Is A Fever Dream?

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What Is A Fever Dream

What is fever dream mean?

Fever dream Definition & Meaning

noun

  1. a particularly distressing, scary, or bizarre dream that a person may have when experiencing a fever: Bedridden with pneumonia, he had a fever dream in which bony old cats were climbing the walls of his room.
  2. a situation, circumstance, or experience, typically unfavorable, that is odd enough to be likened more to a dream than to reality: So far, college has felt like a fever dream—ever since I arrived I’ve just felt so out of place.

First recorded in 1795–1805 Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc.2023

  • The sets—which, really, were a feat of design and direction—appeared to be remnants of a Lewis Carroll fever dream,
  • Take Too Many Cooks: a fever dream of a segment that aired at 4:00am earlier this week.
  • Nobody died from Ebola, or ISIS or Honduran children, unless it was in a goofball-induced, Louie Gohmert fever dream,
  • The most riveting stories so far deal with trivial matters that sound like deleted scenes from a George Costanza fever dream,
  • It feels like a fever dream that you can’t quite wake up from, even when you turn off the TV.
  • Now, in his fever-dream, the dreadful details and sensations imagined in health came to him, but with tenfold vividness. | Mary Newton Stanard
  • How like the half insane mumbling of a fever dream is the whole war part of his late message! | Abraham Lincoln
  • How like the half-insane mumbling of a fever-dream is the whole war part of the late Message! | Ward H. Lamon
  • How like the half insane mumbling of a fever dream is the whole war part of the late message! | Frank Crosby
  • Surely, surely it was some fever dream which had come upon him. | Evelyn Everett-Green

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    Is a fever dream a nightmare?

    What Do We See in Fever Dreams? – Fever dreams are nightmares we experience as a result of having a high body temperature. These are emotionally intense and ghastly dreams with disturbing negative connotations. Since high body temperature makes it difficult to sleep, the disturbing nature of fever dreams increases sleep disruptions.

    Associated with heat and fire, with visuals like the sky on fire or wax statues melting down. This could be because the body temperature is high and the brain triggers this heat, to keep pathogens at bay. The brain’s awareness of this high body temperature could be a probable reason behind fever dreams being associated with heat. Repetitive actions or events. Experiencing a fever dream can sometimes be like watching a sci-fi film, replete with images typical of the genre like spatial distortions, blackness, giant insects, and creatures with oversized arms moving around. Strange dreams with a high recall value of every minute detail. Often associated with something that is intimidating, and stress-inducing, sometimes from your own life experiences or external stimuli. Sometimes fever dreams end with a feeling of claustrophobia or vertigo.

    What is the difference between a fever dream and a lucid dream?

    What’s The Difference Between Fever Dreams And Lucid Dreams? – Fever dreams and are almost identical. Both of these types of dreams occur during the REM cycle, and both are completely vivid. With each of these, you’re able to remember in detail what you dreamed about.

    • However, the stark difference between the two is the temperature factor.
    • Lucid dreams happen under normal circumstances.
    • You can have a lucid dream at any time and be able to recall it later.
    • Fever dreams are specifically tied to an elevated temperature and usually have more negative connotations than a lucid dream.

    Lucid dreams typically aren’t scary or stressful, though they can be.

    Do fever dreams feel real?

    Summary – Fever dreams are often bizarre and contain intense negative emotions that can leave you feeling uncomfortable when waking from them. The bizarreness of fever dreams may be explained by common features, such as spatial distortion. More research is needed on the exact cause of fever dreams, though current research suggests that the experience of having a fever and the effects of high body temperature on brain functioning may play a role.

    1. Ames NJ, Peng C, Powers JH, et al. Beyond intuition: Patient fever symptom experience, J Pain Symptom Manage,2013;46(6):807-816. doi:10.1016/j.jpainsymman.2013.02.012
    2. Schredl M, Erlacher D. Fever dreams: an online study, Front Psychol,2020;11:53. doi:10.3389/fpsyg.2020.00053
    3. Schredl M, Küster O, Spohn A, Victor A. Bizarreness in fever dreams: a questionnaire study, International Journal of Dream Research.2016;9(1):86–88. doi:10.11588/ijodr.2016.1.28492
    4. MedlinePlus. Fever,

    By Emily Brown, MPH Emily is a health communication consultant, writer, and editor at EVR Creative, specializing in public health research and health promotion. With a scientific background and a passion for creative writing, her work illustrates the value of evidence-based information and creativity in advancing public health. Thanks for your feedback!

    What fever dream feels like?

    Fever Dreams: Causes and Meaning Key Takeaways

    • Fever dreams are vivid, unpleasant dreams that sometimes accompany a fever.
    • Researchers theorize that heating of the brain can affect cognitive processing, making fever dreams more strange than typical dreams.
    • While fever dreams do not have a specific meaning, they often involve feelings of heat, illness, or discomfort.
    • Fever dreams are not necessarily bad for your health, but many find them unsettling.

    Fever dreams are one of the possible symptoms of fever. In multiple studies, sleepers describe their fever dreams as bizarre, negative, and emotionally intense American Psychological Association (APA) APA is the leading scientific and professional organization representing psychology in the United States, with more than 121,000 researchers, educators, clinicians, consultants and students as its members.

    1. Experiences of fever dreams vary among sleepers.
    2. Some people with fevers do not recall dreaming, while others can recall their fever dreams National Library of Medicine, Biotech Information The National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information.

    years later. A fever is a sign of inflammation, and one of the body’s potential responses to infection or illness Medline Plus MedlinePlus is an online health information resource for patients and their families and friends. Although there is wide variability of body temperature among individuals, a standard human body temperature is generally considered about 98.6 degrees Fahrenheit (37 degrees Celsius).

    • Fevers are an elevated body temperature Merck Manual First published in 1899 as a small reference book for physicians and pharmacists, the Manual grew in size and scope to become one of the most widely used comprehensive medical resources for professionals and consumers.
    • Of 100.4 degrees Fahrenheit (38 degrees Celsius) or greater, taken orally in adults.

    Symptoms of fever may include:

    • Cold or chills National Library of Medicine, Biotech Information The National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information.
    • Rigors, or severe, teeth-chattering and shaking chills Merck Manual First published in 1899 as a small reference book for physicians and pharmacists, the Manual grew in size and scope to become one of the most widely used comprehensive medical resources for professionals and consumers.
    • Weakness
    • Warmth
    • Dampness or sweating
    • Headache
    • Respiratory symptoms such as cough, shortness of breath, or difficulty breathing
    • Fever dreams or hallucinations

    Fever dreams are vivid, often bizarre or unpleasant dreams sleepers can experience when they have a fever. These dreams happen similarly to other dreams. Although they can occur during any stage of sleep, most happen during rapid eye movement (REM) sleep National Institute of Neurological Disorders and Stroke (NINDS) NINDS aims to seek fundamental knowledge about the brain and nervous system and to use that knowledge to reduce the burden of neurological disease.

    1. Waking up during or right after REM sleep can increase the chances of remembering your dream National Library of Medicine, Biotech Information The National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information.
    2. Typically, people dream for about two hours total each night, but the dream experiences vary.

    Some people dream in black and white while others dream in full color. Additionally, dreams may play a role in memory consolidation and processing emotions. In fact, one study of 299 dreams showed that half of the dreams National Library of Medicine, Biotech Information The National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information.

    • Contained at least one component tied to a specific daytime experience.
    • As a result, fever dreams may include feelings of heat and illness.
    • The exact cause of fever dreams is unknown.
    • Some researchers speculate that the “overheated” brain National Library of Medicine, Biotech Information The National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information.

    affects cognitive processing and therefore makes the fever dreams more strange than typical dreams. Fevers can also interrupt REM sleep, which may lead to other sleep changes, including unusual dreams. Fever dreams differ from in that they are often more vivid and unusual.

    • Spatial Distortion: Moving walls, objects melting, and spaces changing size were the most common type of dream in one study of fever dreams.
    • Threats or Danger: Study participants reported that their fever dreams contained threats from dogs, insects, terrorists, and stones.
    • Illness: Types of illness in dreams may vary. In one study, sleepers dreamed about illnesses such as respiratory distress, pain, and vertigo.

    Although fever dreams do not have a specific meaning, they can often include connections to a person’s current situation. For example, fever-related dreams more often include a health-related topic and sense of temperature than regular dreams. While fever dreams are the result of a fever, nightmares may stem from anxiety Medline Plus MedlinePlus is an online health information resource for patients and their families and friends., stress, or, These frightening and unsettling dreams could also be indicative of a sleep disorder, such as or narcolepsy.

    Regardless of cause, nightmares can, Reducing stress and practicing good sleep hygiene can help decrease the likelihood of nightmares. More severe cases may require cognitive behavioral therapy. Additionally, a sleep study can determine if a sleep disorder is present. During, the dreamer becomes aware they are asleep National Library of Medicine, Biotech Information The National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information.

    Some lucid dreamers even experience control over their dreams. In one study of fever dreams, nearly 40% were described as lucid. This number is significantly higher than the 7.5% of dreams experienced as lucid dreams in healthy people. Fever dreams are not necessarily bad for the body.

    • Drink plenty of fluids to prevent dehydration.
    • Get sufficient sleep. Sleep provides many, including helping your body recover when you are sick.
    • With the guidance of your physician, take ibuprofen or acetaminophen.

    Be sure to consult your doctor if you experience additional or worsened symptoms with your fever. Thanks for the feedback – we’re glad you found our work instructive! If you’re ready for more, sign up to receive our email newsletter! Your is important to us. Was this article helpful? Thanks for the feedback – we’re glad you found our work instructive! Submitting your Answer.

    1. Schredl, M., Küster, O., Spohn, A., & Victor, A. (2016). Bizarreness in fever dreams: A questionnaire study. International Journal of Dream Research, 9(1), 86–88.
    2. Ames, N.J., Peng, C., Powers, J.H., Leidy, N.K., Miller-Davis, C., Rosenberg, A., VanRaden, M., & Wallen, G.R. (2013). Beyond intuition: Patient fever symptom experience. Journal of Pain and Symptom Management, 46(6), 807–816.
    3. A.D.A.M. Medical Encyclopedia. (2016, December 15). Fever. MedlinePlus., Retrieved April 15, 2021, from
    4. Bush, L.M. (2020, July). Fever in adults. Merck Manual Consumer Version., Retrieved April 15, 2021, from
    5. Ogoina, D. Fever, fever patterns and diseases called ‘fever’–a review. (2011). Journal of Infection and Public Health, 4(3), 108–124.
    6. Bush, L.M. (2020, July). Fever. Merck Manual Professional Version., Retrieved April 15, 2021, from
    7. National Institute of Neurological Disorders and Strokes (NINDS). (2019, August 13). Brain basics: Understanding Sleep., Retrieved April 15, 2021, from
    8. Pagel, J.F. (2000). Nightmares and disorders of dreaming. American Family Physician, 61(7), 2037–2042, 2044.
    9. Fosse, M.J., Fosse, R., Hobson, J.A., & Stickgold, R.J. (2003). Dreaming and episodic memory: A functional dissociation? Journal of Cognitive Neuroscience, 15(1), 1–9.
    10. Schredl, M., & Erlacher, D. (2020). Fever dreams: An online study. Frontiers in Psychology, 11, 53.
    11. A.D.A.M. Medical Encyclopedia. (2020, May 10). Nightmares. MedlinePlus., Retrieved April 15, 2021, from
    12. Baird, B., Mota-Rolim, S.A., & Dresler, M. (2019). The cognitive neuroscience of lucid dreaming. Neuroscience and Biobehavioral Reviews, 100, 305–323.

    : Fever Dreams: Causes and Meaning

    Are fever dreams good or bad?

    N early everyone has experienced a fever and its attendant symptoms—from fatigue and body aches to hot flashes and chills. You may also have noticed strange or unusually vivid dreams while trying to sleep off an illness. The phrase “fever dream” turns up in literature and popular culture, and while the scientific literature on fevers is surprisingly limited, it has documented the strange dream phenomenon.

    1. In one small 2013 study that surveyed people’s fever symptoms, several individuals brought up “odd” dreams.
    2. One person mentioned a dream that recurred during their adolescence and returned during a recent fever.
    3. Another described dreams that seemed to shift repeatedly between pleasant situations and troubling ones.

    A 2016 study documented the types of dreams some people had during a past fever, and then compared these to dreams people had when well. “Fever dreams are more bizarre, more negatively toned, include less social interaction” than normal dreams, says Michael Schredl, one of the study authors and a professor of sleep research and psychiatry at Germany’s Central Institute of Mental Health.

    Roughly 94% of the people who had experienced fever dreams described them as negative, his study found. They also rated these dreams as much more “emotionally intense” than their regular dreams. People in the study described “creatures with oversized arms and legs,” giant insects, and blackness “slowly spreading all over.” Why would a fever cause odd and intense dreams? Elevated brain temperatures could disrupt the brain’s normal cognitive processes, Schredl and his coauthors write in the paper.

    “The idea is that the brain is not functioning well during high fever,” he says, and this somehow produces dreams with unusual and unpleasant qualities. Sleep researchers have learned that most dreaming seems to take place during the rapid eye movement (REM) stage of the sleep cycle.

    “REM sleep is essential to temperature control, fever suppresses REM,” says Dr.J. Allan Hobson, a sleep researcher and emeritus professor of psychiatry at Harvard Medical School. It makes sense that, if a fever disrupts REM sleep, it could also change the nature of a person’s dreams. Schredl also points out that, in his study, illness symptoms and related imagery were much more likely to turn up in fever dreams than in normal ones.

    Some people in his study recalled dreaming of burning clouds and melting statues, and he says this could have been influenced by their brain’s awareness of fever-induced heat. This lends credence to what he and his study coauthors call the “continuity hypothesis” of dreaming, which holds that our dreams often mirror recent aspects of our waking life.

    Looked at this way, it’s no wonder that—after spending a day at home in bed, struggling with a fever—a person’s dreams may be unpleasant and devoid of social interaction. Much about dreams, including their meaning and purpose, remains veiled in mystery. And, somewhat surprisingly, given how common fevers are, “there’s a real lack of information on symptoms of fever,” says Nancy Ames, a nurse researcher at the National Institutes of Health Clinical Center who co-authored the 2013 study.

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    No surprise, then, that there are still many more questions than answers when it comes to fever dreams. More Must-Reads From TIME

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    How rare are fever dreams?

    What are fever dreams like? – Most people describe fever dreams as a distressing experience. In fact, in one 2016 study, about 94 percent of participants described their fever dreams as negative. Though a fever dream is known in medical literature, scientific studies on the phenomenon are limited.

    In a small 2013 study, scientists surveyed participants’ fever symptoms, Results showed 11 percent of them reported fever dreams. People often describe a fever dream as emotionally intense, troubling, strange, or scary. These dreams may also include less social interaction scenarios than normal dreams.

    In the 2013 study, one volunteer said their dreams would move “back and forth between a very difficult circumstance and a very comfortable circumstance.” A recent online study looked at 164 individuals, 100 of whom reported a recent fever dream. The authors found that fever dreams were more bizarre, negatively toned, and included more references to health and temperature perception compared to normal dreams.

    Scientists don’t know exactly why fever dreams occur, but there are some theories. One is that high temperatures might disrupt the brain’s normal cognitive processes. Authors of the 2020 study wrote, “The basic idea is that the ‘over-heated’ brain is not functioning properly and, therefore, dreams are more bizarre.” During the REM stage of sleep, where most of your vivid dreams occur, your body tends to have a harder time controlling your internal temperature.

    A fever may add to this already strained process, which can lead to the unpleasant dreams. Fevers might also trigger waking hallucinations (seeing things that aren’t really there), irritability, and confusion. There might not be a foolproof way to prevent fever dreams altogether but controlling your body temperature could be helpful.

    get plenty of restdrink lots of fluidstake a fever-reducing medicine, such as ibuprofen (Advil), acetaminophen (Tylenol), or aspirin eat foods that are easy to digestbathe in lukewarm water

    Fever dreams share some of the same symptoms as lucid dreams, which are dreams that happen when you’re aware that you’re dreaming. People who have both fever dreams and lucid dreams are able to recall the details of their dreams. Both types also occur in the REM stage of sleep.

    • But, lucid dreams aren’t linked to higher body temperature, and they aren’t always unpleasant or negative in nature like fever dreams.
    • Additionally, lucid dreams are sometimes controllable, meaning you can train yourself to have one.
    • Fever dreams are a mysterious occurrence that happen when your body temperature rises.

    They’re usually described as a disturbing and stressful experience. While there’s no guarantee you can completely prevent a fever dream, treating your fever may help control these vivid nightmares.

    What means lucid dreams?

    4 min read Lucid dreams are when you know that you’re dreaming while you’re asleep. You’re aware that the events flashing through your brain aren’t really happening. But the dream feels vivid and real. You may even be able to control how the action unfolds, as if you’re directing a movie in your sleep,

    Studies suggest that about half of people may have had at least one lucid dream. But they probably don’t happen often, usually only a handful of times in a year. Lucid dreams are most common during rapid eye movement (REM) sleep, a period of very deep sleep marked by eye motion, faster breathing, and more brain activity.

    You usually enter REM sleep about 90 minutes after falling asleep. It lasts about 10 minutes. As you sleep, each REM period is longer than the one before, finally lasting up to an hour. Neuroscientists don’t know exactly how and why lucid dreams happen.

    But they have some ideas. For one thing, studies have found physical differences in the brains of people who do and don’t have lucid dreams. The very front part of the brain, called the prefrontal cortex – the site of high-level tasks like making decisions and recalling memories – is bigger in people who have lucid dreams.

    That suggests that folks who are most likely to have lucid dreams tend to be self-reflective types who chew over thoughts in their heads. One small study in Germany tracked brain electrical activity in volunteers as they slept. Based on these measurements, the researchers say, lucid dreaming may be kind of a “between state” where you aren’t fully awake but not quite asleep, either.

    Less anxiety. The sense of control you feel during a lucid dream may stay with you and make you feel empowered. When you’re aware that you’re in a dream, you can shape the story and the ending. That might serve as therapy for people who have nightmares, teaching them how to control their dreams. Better motor skills. Limited studies suggest that it may be possible to improve simple things like tapping your fingers more quickly by “practicing” during your lucid dream. The same part of your brain turns active whether you imagine the movements while awake or run through them during a lucid dream. Improved problem-solving. Researchers found some evidence that lucid dreams can help people solve problems that deal with creativity (like a conflict with another person) more than with logic (such as a math problem). More creativity. Some people taking part in lucid dream studies were able to come up with new ideas or insights, sometimes with the help of characters in their dreams.

    Lucid dreaming may also cause problems, including:

    Less sleep quality. Vivid dreams can wake you and make it hard to get back to sleep. And you might not sleep well if you’re too focused on lucid dreaming. Confusion, delirium, and hallucinations. In people who have certain mental health disorders, lucid dreams may blur the line between what’s real and what’s imagined.

    Small studies have found that you may be able to raise your chances of dreaming lucidly. One way to do it might be to prime your mind to notice unusual details in your dream to alert yourself that it’s not real. More research is needed to know if any method can actually trigger a lucid dream. Some things researchers have tried include:

    Reality testing. This is when you pause at different times of the day to see whether you’re dreaming. You can try to do something impossible, like push your finger through your palm or inhale through a closed mouth. Or you can do something that’s usually hard to do in a dream, like read a page in a book. Dream diary. Some studies showed that people had more lucid dreams when they kept a log of their dreams, because they were more focused on them. Other research found that these journals didn’t help on their own but might be useful when combined with other methods. Wake-back-to-bed. You wake up after 5 hours of sleep, stay awake briefly, and then go back to bed to try to enter an REM sleep period. Mnemonic induction of lucid dreams (MILD). You wake up after sleeping for 5 hours and tell yourself several times that the next time you dream, you will remember you’re dreaming. This uses prospective memory – the act of remembering to do something in the future – to trigger a lucid dream. Drugs. Studies have also focused on the effects of several drugs, such as supplements and medicinal plants, on sleep and dreams. But it’s not clear how safe they are or how well they work. Devices. Some masks and headbands that have sounds or lights might bring on a lucid state. Other devices can record and play messages used in the MILD technique while you’re asleep.

    Are weird dreams normal?

    Is it normal to have really weird dreams? – Yes, it’s normal and even expected to have strange dreams at night. You may even uncover some sense in the dream if you sit down, think about its details, and think about your life recently. However, if the dreams you’re having upset you, you might want to brush up on sleep hygiene tips and relaxation methods to help you fall asleep with minimal stress.

    Why are lucid dreams so cool?

    Your senses and perceptions are more accurate. In the highest levels of lucidity, you can see, hear, touch, and feel anything like in reality — including pleasure. While regular dreams often feel vague and blurry, lucid dreams tend to be much more vivid.

    Why do I keep having weird dreams every night?

    If you wake up from a weird, scary dream, try breathing or reading a book until you fall back asleep. JGI/Tom Grill/Getty Images p”>

    If you are having weird dreams, it may be due to stress, anxiety, or sleep deprivation. To stop having weird dreams, try managing stress levels and sticking to a sleep routine. If you wake up from a weird dream, use deep breathing or a relaxing activity to fall back asleep.

    Unexpected life events, high levels of stress, and changes in routine can all impact our dreams — making them weirder, more vivid, and more memorable. Here’s what could be causing your weird dreams and how you can better manage them.

    Are lucid dreams better?

    When you lucid dream, you’re aware you’re dreaming while sleeping. A person might use lucid dreaming to problem solve or heal emotionally mentally, or physically. Not everyone lucid dreams, though. If you’ve watched “Behind Her Eyes” on Netflix, you might be intrigued with lucid dreaming, the phenomenon of being aware that you’re dreaming while asleep.

    1. In the movie, the main character Adele uses lucid dreaming to explore an obsession with her cheating husband.
    2. Her husband’s lover, Louise, uses lucid dreaming to safely confront nightmares.
    3. These fictional approaches suggest that lucid dreaming can be a lot of things: exciting, pathological, even healing.

    Lucid dream researcher, author, and educator Daniel Love says the pandemic has led to a new “influx of dream explorers.” Author and lucid dream researcher Robert Waggoner agrees. He sees a renewed interest in lucid dreaming, speculating that it “may be a function of people working remotely having more time to sleep.” What’s more, scientists are increasingly making a connection between lucid dreaming and mental health.

    Could this practice be a healthy way to confront the psyche, or is it treading into dangerous territory? To answer that question, it’s important to first understand what lucid dreaming is. Philosophers have been referencing lucid dreaming for thousands of years. It was confirmed by scientists in a 1981 study to be a real phenomenon.

    They based their findings on study participants’ reports of their dreams. More recently, researchers use electroencephalograms (EEGS) to track lucid dreaming activity in the prefrontal cortex, a part of the brain involved in complex behaviors and personality development.

    1. According to a 2009 study, researchers consider lucid dreaming a hybrid sleep-wake state, mostly taking place in the final stage of a typical sleep cycle during rapid eye movement (REM) sleep.
    2. Lucid dreaming isn’t a natural occurrence for everyone.
    3. A 2012 study of 793 participants suggested that young people are more likely to lucid dream spontaneously than those with fully mature brains.

    About 20 percent of people experience lucid dreaming monthly, and a small percentage experience lucid dreams several times per week. About half of all people have had one lucid dream in their lifetime. A 2018 study showed that frequent lucid dreamers have increased resting-state communication between the frontopolar cortex (FPC) and temporoparietal junction (TPJ) areas of the brain.

    • These areas, which coordinate information from the thalamus, limbic, auditory and visual systems, normally stop working during sleep.
    • Increased connectivity during lucid dreaming allows dreamers to access memories from waking life — and sometimes even control their actions within the dream world.
    • Lucid dreaming contrasts with typical dreams, which play out as if behind a thick wall, one that separates the dreamer from waking consciousness.

    The bottom line

    Scientists have confirmed that lucid dreaming is a real phenomenon.It’s considered a hybrid sleep-wake state.Not everyone lucid dreams, but about half of all people have had one lucid dream in their life.Young people are more likely to spontaneously have lucid dreams.

    Does lucid dreaming help you sleep better? The science is mixed. A 2020 study partially confirmed a connection between lucid dream induction and sleep fragmentation, or shifts to lighter sleep stages or wakefulness. Because the study relied on self-reporting, more research is recommended.

    Another 2020 study didn’t find a direct link between lucid dreaming frequency and sleep disturbance, but it suggested particular induction methods and sleep conditions may negatively affect sleep. Researchers from the International Lucid Dream Induction Study (ILDIS) noted that the success of one technique, known as mnemonic induction of lucid dreams (MILD), depended on participants falling back to sleep quickly after using it.

    According to the study, participants’ sleep quality was superior on nights when they successfully induced dreams compared with nights when they failed to induce dreams. If you’re having trouble lucid dreaming, it may be due to the quality of your sleep.

    If you find you aren’t falling asleep easily, or if you wake often, you may want to talk with a doctor about how you can develop sound sleep, Lucid dreaming may have positive effects on mental health for some people. An International Dream Research survey questioned 528 respondents about how they used lucid dreaming.

    Common reasons for lucid dreaming included:

    problem solvingovercoming fears and nightmaresspiritual growth and inner workcosmic adventuringemotional, mental, and physical healing

    Many participants, particularly men and young people, used lucid dreams for wish fulfillment. Older dreamers and women were more likely to lucid dream for inner work or healing purposes. When it came to how dreamers felt when they woke up, lucid dreaming led to neutral or, particularly in the case of wish fulfillment, positive moods.

    1. Waggoner’s book, ” Lucid Dreaming: Gateway to the Inner Self,” describes the transformative results of his own lucid dreaming journey.
    2. He’s also communicated with many lucid dreamers around the world.
    3. Most report wonder and empowerment upon waking,” he says.
    4. Researchers at the Institute for Consciousness and Dream Research conducted a study on lucid dreaming as an intervention for nightmares in patients with post-traumatic stress disorder (PTSD).

    According to participants’ self-assessments, Lucid Dream Therapy (LTD) had no effect on nightmares. Participants did, however, report lessened anxiety and depression over the course of the therapy. Researchers concluded that LDT could be a complementary treatment for nightmares related to PTSD.

    The ability to control elements of the lucid dream is a factor in whether or not the experience has mental health benefits. In a 2016 study of 33 combat veterans, researchers found that the frequency of lucid dreaming or awareness of the dream state did not relieve nightmare distress, but the ability to control actions and dream elements did.

    In contrast to the above findings, an online study from 2020 found that lucid dreamers who could neither control nor wake up from frightening dream elements remained trapped in “lucid nightmares.” “Lucid dreaming does not seem a panacea for everyone,” Waggoner says.

    poor sleep quality, resulting in fatigue and irritabilityconfusion dissociation subclinical psychosisblurred lines between dreaming and reality

    Love cautions that “while lucid dreaming holds promise as a therapeutic tool, far more scientific research is needed.” A 2020 review of lucid dreaming literature suggested more research is needed into potential risks. Some research suggested lucid dreamers may experience sleepiness in the waking state when using reality testing techniques, and some arousal or wakefulness may pervade their dream state while lucid dreaming.

    According to the review, more research is needed into the relationship between lucid dreaming and “sleep-wake psychological boundaries,” noting that lucid dreaming may be risky for psychologically vulnerable individuals. A 2018 longitudinal study of 187 self-reporting undergraduate students cautioned that deliberate lucid dreaming induction can blur the lines between reality and dreams, increasing symptoms of “dissociation and schizotypy.” While wish fulfillment and altered consciousness without the use of substances might sound safe and fun, those exploring induction techniques need to know that lucid dreaming can have unwanted consequences.

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    This same study found that lucid dream frequency didn’t correspond to psychopathology and lucid dream intensity. However, positive lucid dream emotions were “inversely associated with several psychopathological symptoms.” This means that lucid dreaming can’t be considered innately positive or negative.

    reality checks throughout the daywaking up mid-sleep cyclemnemonic induction, or remembering a detail from a previous dream

    What are examples of fever dreams?

    Examples of Vivid Dreams That Can Be Considered As Fever Dreams – Some of these dreams include feeling suffocated, walls caving in and crushing you, Kafkaesque creatures, etc. You might even wake up asking for help, certain that someone wants to harm you or kill you.

    That is how realistic the dream might feel when your body temperature is high. Seeing an unrealistic big dog that chases you to no avail, or being captured by terrorists, etc. are also other examples of lucid fever dreams during high body temperature. You could also see the same dream throughout your sleep.

    Fever dreams are linked to feelings of fear, stress, and restlessness. If you had a weird scary dream when going through a fever, then don’t worry. Turns out, you are just having a fever dream and they are not dangerous just like bad dreams examples. You no longer have to wonder what is a fever dream.

    What is the average fever dream?

    When the body fights a virus like COVID-19 (or any other type of infection), its core temperature shoots up from its normal range (usually between 97 and 99 degrees Fahrenheit) to defend itself against temperature-sensitive pathogens like bacteria and viruses.

    1. You have a fever if your temperature of at least 100.4 degrees Fahrenheit, per the Centers for Disease Control and Prevention (CDC).
    2. The higher the temperature, the harder it is for pathogens to multiply in our bodies.
    3. Sometimes, people report having more intense or unusual dreams when they have a fever or say they’re having “fever dreams.” The telltale symptoms of a fever are pretty recognizable: aches, chills, sweating—but in some cases, those dealing with a higher-than-normal body temperature may also experience vivid, sometimes disturbing, negatively-toned dreams known as “fever dreams.” Some people who have fevers due to COVID-19 have reported experiencing fever dreams.

    “I’ve heard reports of this happening in some people I know with the coronavirus infection,” Alcibiades Rodriguez, MD, medical director of the Comprehensive Epilepsy Center-Sleep Center at NYU Langone Health, told Health, But these fever dreams aren’t just COVID-19 specific—they can happen whenever a person’s body temperature rises above normal,

    Essentially, fever dreams are strange, often negatively-toned dreams one can experience with a higher-than-normal body temperature. Unfortunately, a lot of science behind fever dreams is lacking, but there have been a few studies on the topic. In one 2013 study published in the Journal of Pain and Symptom Management, 11% of people sick with a fever experienced fever dreams.

    One person in the study described a recurring dream they had during adolescence, which returned during a recent fever. Another reported dreams that switched from positive situations to negative ones. Another study, published in 2016 in the International Journal of Dream Research, compared dreams people had during a fever to dreams they had when they weren’t sick.

    Around 94% of those who experienced fever dreams described them as negative and more “emotionally intense” than regular dreams. Some of them talked about giant insects, “creatures with oversized arms and legs,” and blackness “slowly spreading all over.” An online study published in January 2020 in the journal Frontiers in Psychology found that, out of 164 people, 100 had experienced recent fever dreams.

    According to the study authors, those fever dreams were “more bizarre and more negatively toned ” than regular dreams. Many of the fever dreams also involved heat perception—one study participant described a dream in which they woke up from sleep because their body felt as if it was “blazing” and said, “the most intense feelings were weakness and helplessness.” It’s still unknown exactly why these strange dreams can accompany fevers, but experts have a few theories.

    We don’t exactly know why fever makes dreams more vivid and disturbing, although one theory is that the brain doesn’t process sensations normally when we have a fever,” Beth Malow, MD, a professor in the department of neurology and pediatrics and director of the sleep disorders division at Vanderbilt University Medical Center, told Health.

    Dr. Malow said fever dreams are believed to be more frequent during the rapid eye movement (REM) stage of sleep, Most dreams occur during REM sleep, but temperature is also connected. “We don’t regulate our body temperature during REM sleep as well as we do during other stages of sleep, and temperature can swing out of control,” Dr.

    What is the psychology behind fever dreams?

    Discussion – The present study indicates that fever affects dreaming; fever dreams are more bizarre – confirming the previous finding of our pilot study ( Schredl et al., 2016b ) in an independent sample – but also included more negative dream emotions, less dream characters and interactions, and more health-related topics and heat perceptions than the matched normal non-fever dreams.

    As fever dreams have not yet been studied systematically, it is reassuring that we were able to replicate the pilot findings with a new independent sample indicating that the present findings are substantial. Before discussing the findings, several methodological issues will be addressed. First, fever dreams were elicited retrospectively, i.e., sometimes experienced quite some time ago.

    That might have biased the results as extraordinary dreams are more likely to be recalled after such long periods of time ( Cipolli et al., 1992 ). However, the time interval between occurrence of the dream and its reporting was not related to emotional intensity or bizarreness.

    • In addition, the dreams selected for comparison were also retrospectively recalled dreams.
    • In order to test for possible recall effects using retrospective designs, it would be very interesting to use a prospective approach like Smith (2012b), i.e., hand out a dream diary and instruct the participants to complete this diary if they suffer from a febrile illness.

    However, one has to keep in mind that fever does not occur that often, so this study might be arduous. The retrospective nature of the study also does not allow any inferences regarding the sleep stage in which the dreams occurred. As fever can trigger episodes of sleepwalking ( Avidan, 2017 ), one might speculate if, for example, the first dream example is a remembrance of a sleepwalking episode.

    1. Typically reports from NREM parasomnia episodes can include the bed chamber but are very brief ( Arnulf, 2019 ), so the finding that fever dreams are generally comparable in length and even more bizarre than “normal” dreams indicates that those reports rarely reflect sleepwalking.
    2. However, content of sleepwalking episodes related to fever has never been studied systematically; the subjective experiences within these episodes might also be more bizarre compared to “normal” sleepwalking episodes.

    Due to the rare occurrence of fever episodes, ambulatory polysomnographic studies, i.e., recording the sleep stage prior to the reported dream, are very arduous. It would also be very interesting to study the effect of experimentally increasing body temperature by cytokines (cf.

    • Reichenberg et al., 2001 ) on dream characteristics and content.
    • Next, it should be noted that the sample consisted of high dream recallers; the mean dream recall frequency in the general population is about one morning per week with dream recall ( Schredl, 2008 ) whereas in our study the mean dream recall frequency indicated dream recall several times a week.

    On the other hand, reporting a fever dream was not related to dream recall frequency but to the frequency of having fever. But one might argue that the reported percentages of experiencing fever dreams while being ill is an overestimation in this study due to overall heightened dream recall and, therefore, it would be necessary to carry out surveys in representative samples for obtaining data as to how often fever dreams occur.

    The finding that fever dreams contain more intense negative emotions and less intense positive emotions supports the continuity hypothesis of dreaming as fever is also accompanied by more negative moods in waking ( Reichenberg et al., 2001 ) and negatively toned dreams might reflect these negative waking emotions.

    This link between waking emotional tone and dream emotions has been shown in healthy persons ( Schredl and Reinhard, 2009-2010 ). Also, Bódizs et al. (2008) found that poor health is related to more negatively toned dreams. To follow up this line of thinking, future studies could elicit mood during waking in persons with fever and test how strong waking emotions affect dreams while being ill.

    Similarly, it would be interesting to test whether the cognitive impairment in waking due to fever ( Hall and Smith, 1996 ; Smith, 2012a ) is directly related to dream bizarreness, i.e., are dreams of persons with more pronounced cognitive impairments more bizarre than dreams of persons with mild cognitive impairments during a febrile illness? The basic idea is that the “over-heated” brain is not functioning properly and, therefore, dreams are more bizarre.

    In schizophrenic patients, for example, the severity of psychotic symptoms during the day is directly related to dream bizarreness ( Schredl and Engelhardt, 2001 ). Also in line with the continuity hypothesis is the finding that fever dreams included more health-related topics.

    A previous study in patients with insomnia ( Schredl et al., 1998b ) showed that more health problems are associated with more health-related dreams. Interestingly, the frequency of health-related dreams is not only related to the frequency of the illnesses but also to worrying about health ( Schredl et al., 2016a ), i.e., future studies might also include this variable.

    Interestingly, the findings of less dream characters and less physical and verbal Interactions also fit in the continuity hypothesis because one of the accompanying behavioral changes of fever is social withdrawal ( Harden et al., 2015 ). Lastly, fever dreams included more references to temperature perception (see the illustrative second dream example) than non-fever dreams.

    1. In a long dream series, explicit temperature perceptions were present in only in 0.63% of the dreams ( Schredl, 2016 ).
    2. This increased number of temperature perceptions in fever dreams might reflect the waking-life experience of feeling hot, within the framework of the continuity hypothesis, but it is also plausible that the fever dreams might be affected by the internal sensation of feeling hot while sleeping.

    Research has shown that external stimuli like sounds, water spray, rocking of the bed, and mild pain stimuli are sometimes incorporated into dreams ( Dement and Wolpert, 1958 ; Nielsen et al., 1993 ; Leslie and Ogilvie, 1996 ). Interestingly, somatosensory stimulation of the leg muscles was incorporated into dreams quite often and could result in bizarreness related to the body image ( Nielsen, 1993 ); the dream examples might also reflect a very creative processing of the internal heat stimulus.

    1. However, studies on the effect on dreams of thermal stimulation, e.g., thermal stimuli applied to the skin, have not yet been performed.
    2. If heat stimuli are incorporated into dreams, the hypothesis that fever directly affects dreams via the increased body temperature would be supported.
    3. To summarize, this study showed that fever dreams are quite common and differ significantly from non-fever dreams, i.e., fever dreams were more bizarre, more negatively toned and included more references to health and temperature perception.

    Future studies should follow up this line of research by conducting diary studies during naturally occurring febrile illnesses and sleep laboratory studies with experimentally induced fever. This research helps to understand subjective experiences while sleeping in an extreme condition.

    What is a sleep paralysis?

    Introduction – Sleep paralysis refers to the phenomenon in which resumption of consciousness occurs while muscle atonia of REM (rapid eye movement) sleep is maintained, leading to intense fear and apprehension in the patient as the patient lies awake without the ability to use any part of their body.

    It is often accompanied by visual hallucinations of the intruder and incubus variety. Intruder hallucinations involve the perception of a dangerous person or presence in the room. The Incubus phenomenon is characterized by a hallucination with a feeling of pressure on the thorax while carrying out aggressive and/or sexual acts.

    It tends to be accompanied by anxiety, paralysis, and feelings of suffocation. The usual phase of the sleep cycle in which it manifests is the REM sleep phase. During Non-REM sleep, there is an increase in parasympathetic tone and a decrease in sympathetic tone, while during phasic REM sleep, there are surges in sympathetic tone.

    What is a surreal dream?

    : marked by the intense irrational reality of a dream. also : unbelievable, fantastic.

    How to do lucid dreaming?

    How to Lucid Dream: Expert Tips and Tricks Key Takeaways

    • Lucid dreams occur when the sleeper is aware that they are in a dream and can exercise some control over their environment.
    • Various approaches can stimulate lucid dreaming and help train a person to lucid dream.
    • While still up for debate, lucid dreaming has shown potential for overcoming fears.
    • Frequent lucid dreams might decrease sleep quality or affect one’s mental health.

    During lucid dreams, the sleeper is aware a dream is taking place National Center for Biotechnology Information The National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information. but will not leave the dream state.

    1. Some further define these phenomena as dreams in which the sleeper can exercise control over different aspects of their environment, though studies have found this is not always the case, and that certain people are more predisposed to “lucid dream control” than others.
    2. Surveys show that roughly 55% of adults have experienced at least one lucid dream during their lifetime, and 23% of people experience lucid dreams at least once per month.

    Some research has pointed to potential benefits of lucid dreaming, such as treatment for nightmares. However, other studies argue lucid dreams may have a negative impact on mental health because they can disturb sleep and cause dreamers to blur the lines between reality and fantasy.

    • Lucid dreaming has been studied extensively, but much is still unknown about the phenomenon.
    • Some researchers believe activity in the prefrontal cortex of the brain National Center for Biotechnology Information The National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information.

    is related to the development of lucid dreams. During non-lucid dreams, people are cognizant of objects and events within the dream state, but they are not aware of the dream itself and cannot distinguish being asleep from being awake. This has been attributed in part to lower levels of cortical activity.

    Lucid dreams are different because sleepers are aware they are dreaming and, in some cases, can exert control over their surroundings. Some studies have linked these characteristics to elevated cortical activity. In sleepers who have been observed during lucid dream studies, prefrontal cortex activity levels while they are engaged in lucid dreaming are comparable to levels when they are awake.

    For this reason, lucid dreaming may be referred to as a “hybrid sleep-wake state.” While normal dreams can occur during different, studies have shown most lucid dreaming takes place during rapid eye movement (REM) sleep. REM sleep constitutes the fourth and final stage of a normal sleep cycle; the first three stages consist of non-rapid eye movement (NREM) sleep.

    1. The general consensus among researchers today is that lucid dreams originate from non-lucid dreams National Library of Medicine, Biotech Information The National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information.
    2. During the REM sleep stage.

    In this sense, lucidity is an aspect of dreams that can be triggered using different means. Spontaneous lucid dreams are rare and difficult to foresee. To study these phenomena, researchers typically induce lucid dreams National Center for Biotechnology Information The National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information.

    • Reality testing: This technique requires participants to perform tests throughout the day that differentiate sleep and waking. For example, a participant may ask themselves whether or not they are dreaming during the day; since self-awareness is not possible during non-lucid dreams, being able to answer this question proves they are in fact awake. Reality testing is based on the notion that repeated tests will eventually seep into the participant’s dreams, allowing them to achieve lucidity and distinguish between the dream state and waking.
    • Mnemonic induction of lucid dreams (MILD): This technique involves training oneself to recognize the difference between dreams and reality during sleep. Subjects wake up after a period of sleeping and repeat a variation of the following phrase: “Next time I’m asleep, I’ll remember I’m dreaming.” Researchers will induce lucid dreams using the MILD method by waking up subjects after five hours of sleep.
    • Wake back to bed (WBTB): Some people can induce lucid dreams using this technique, which involves waking up in the middle of the night National Center for Biotechnology Information The National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information. and then returning to sleep after a certain amount of time has passed. WBTB is often used in conjunction with the MILD technique. When these two methods are used together, the most effective length of time between waking up and returning to sleep appears to be 30 to 120 minutes.
    • External stimulation: This technique involves flashing lights and other stimuli that are activated while the subject is in REM sleep. The rationale behind this method is that the sleeper will incorporate this stimuli into their dreams, triggering lucidity in the process.
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    Additionally, some studies have involved inducing lucid dreams using certain types of drugs and supplements. Once a subject has fallen asleep, researchers can measure levels of activity in the prefrontal cortex and other areas of the brain using a device known as an electroencephalogram (EEG), during which metal discs are attached to the subject’s scalp. The popularity of self-induced lucid dreams has grown in recent years. The most common reasons for inducing lucid dreams include wish fulfillment, overcoming fears, and healing. Some studies have also shown a link between inducing lucid dreams and overcoming the fear and distress associated with nightmares. What Is A Fever Dream However, there is much debate over whether inducing lucid dreams is beneficial or harmful to mental health. Some researchers argue that creating lucid dreams, and that this can have negative implications for one’s long-term mental health. Lucid dream therapy has shown to be largely ineffective for some groups, such as people with post-traumatic stress disorder.

    Some researchers have introduced another problem with lucid dreams: they are potentially disruptive to sleep. Since lucid dreams are associated with higher levels of brain activity, it has been suggested these dreams can decrease sleep quality and have a negative effect on sleep hygiene. Frequent lucid dreams National Center for Biotechnology Information The National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information.

    could potentially restructure the sleeper’s sleep-wake cycle, which in turn may affect emotional regulation, memory consolidation, and other aspects of day-to-day life linked to sleep health. Additionally, people with narcolepsy National Center for Biotechnology Information The National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information.

    1. A sleep disorder characterized by excessive daytime sleepiness and irresistible sleep attacks – are more likely to experience frequent lucid dreams.
    2. The study of lucid dreams is fairly new and largely incomplete.
    3. More research is needed to better understand these types of dreams and pinpoint why some people are predisposed to more frequent and intense lucid dreams.

    Triggering lucid dreams can be fairly easy with the right methods. Those who are inexperienced with these phenomena may be able to induce a lucid dream for themselves through the following means:

    • Optimize your bedroom for sleeping: Practicing good sleep hygiene can help to ensure a healthy sleep-wake cycle, including a sufficient amount of REM sleep (when lucid dreams are most likely to occur). Make sure the bedroom temperature is comfortable; 65 degrees Fahrenheit (18.3 degrees Celsius) is widely considered the ideal sleep temperature. You should also keep the room dark and relatively quiet. Blackout curtains, sleeping masks, and other accessories help reduce light levels, while ear plugs and sound machines can block disruptive outside noises.
    • Assess your reality: Throughout the day, practice “reality testing” by checking your environment to confirm whether you’re sleeping or awake. In a dream, the environment may look familiar but there will be inconsistencies and distortions compared to reality. By performing these reality checks several times per day, you may acquire the ability to test your reality during dreams.
    • Try the MILD and WBTB methods: For the mnemonic induction of lucid dreams technique, wake up after sleeping for five hours (use an alarm if needed) and tell yourself to remember you’re dreaming once you’ve fallen asleep. The MILD method has proven highly effective ScienceDaily ScienceDaily features breaking news about the latest discoveries in science, health, the environment, technology, and more – from leading universities, scientific journals, and research organizations. in some studies. The wake back to bed technique also requires waking up after five hours of sleep. With WBTB, you’ll want to stay awake for about 30 to 120 minutes before returning to sleep.
    • Keep a record of your dreams: Every morning, write down everything you remember about your dreams in a journal. You can also use a voice-recording device to log your dream memories. Detailed records will allow you to recognize dreams more easily once you fall asleep, which in turn can help trigger lucid dreams.
    • The power of suggestion: Some people can successfully induce lucid dreams merely by convincing themselves they will have one once they fall asleep.
    • Pick up a lucid dream-inducing device: Portable devices that induce lucid dreams National Center for Biotechnology Information The National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information. are widely available today. These devices, which often come in the form of sleep masks or headbands, produce noises, flashing lights, vibrations, and other cues that act as auditory, visual, and/or tactile stimuli. Expect to spend at least $200 on one of these devices.
    • Experiment with gaming: Some studies have shown a link between playing video games Oxford Academic Journals (OUP) OUP publishes the highest quality journals and delivers this research to the widest possible audience. and frequency and control of lucid dreams. This is especially true of interactive video games.

    Other techniques may be used to induce lucid dreams. These include transcranial direct current stimulation (tDCS), which painlessly applies electrical currents to different areas of the brain, and certain types of medications. There is little scientific research to demonstrate the effectiveness of these methods.

    • These techniques are also only conducted in controlled clinical laboratory settings and should never be attempted by an individual unless under the supervision of a doctor or another credentialed medical or psychological professional.
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    1. Soffer-Dudek, N. (2020). Are Lucid Dreams Good for Us? Are We Asking the Right Question? A Call for Caution in Lucid Dream Research. Frontiers in Neuroscience.
    2. Neider, M., Pace-Schott, E.F., Forselius, E., Pittman, B., & Morgan, P.T. (2010). Lucid Dreaming and Ventromedial versus Dorsolateral Prefrontal Task Performance. Consciousness and Cognition, 20(2), 234–244.
    3. Voss, U., Holzmann, R., Tuin, I., & Hobson, J.A. (2009). Lucid Dreaming: A State of Consciousness with Features of Both Waking and Non-Lucid Dreaming. Sleep, 32(9), 1191–1200.
    4. Aspy, D. (2020). Findings From the International Lucid Dream Induction Study. Frontiers in Psychology.
    5. Erlacher, D., & Stumbrys, T. (2020). Wake Up, Work on Dreams, Back to Bed and Lucid Dream: A Sleep Laboratory Study. Frontiers in Psychology.
    6. Vallat, R., & Ruby, P.M. (2019). Is It a Good Idea to Cultivate Lucid Dreaming? Frontiers in Psychology.
    7. Rak, M., Beitinger, P., Steiger, A., Schredl, M., & Dresler, M. (2015). Increased Lucid Dreaming Frequency in Narcolepsy. Sleep, 38(5), 787–792.
    8. University of Adelaide. (2017, October 17). Want to control your dreams? Here’s how you can. Science Daily.
    9. Mota-Rolim, S.A., Pavlou, A., Nascimento, G., Fontenele-Araujo, J., & Ribiero, S. (2019). Portable Devices to Induce Lucid Dreams—Are They Reliable? Frontiers in Neuroscience.
    10. Tai, M., Mastin, D.F., & Peszka, J. (2017). The relationship between video game use, game genre, and lucid/control dreaming. Sleep, 40(suppl 1), A 271.

    : How to Lucid Dream: Expert Tips and Tricks

    Why do I have nightmares when I’m too hot?

    Increases ‘sleep intensity’ – According to Wayne Ross, senior researcher at InsideBedroom, “The ideal temperature — for most people — for optimal sleep is 60 to 67 degrees Fahrenheit, and 40 percent to 60 percent humidity. Sleep quality is greatly reduced if the temperature and humidity exceed the mentioned ranges.” This is because the body can’t shed heat when your room is too hot, causing disruptions in sleep, particularly in deep sleep and rapid eye movement (REM) sleep.

    Can fever cause night terrors?

    Nightmares and Night Terrors Night terrors are a sleep disorder in which a person quickly awakens from sleep in a terrified state. The cause is unknown but night terrors are often triggered by fever, lack of sleep or periods of emotional tension, stress or conflict.

    Night terrors are like nightmares, except that nightmares usually occur during rapid eye movement (REM) sleep and are most common in the early morning. Night terrors usually happen in the first half of the night. Also, night terrors are most common in preadolescent boys, though they are fairly common in children three to five years old.

    The following are common characteristics of a night terror:

    Sudden awakening from sleep Persistent fear or terror that occurs at night Screaming Sweating Confusion Rapid heart rate No recall of bad dreams or nightmares Unable to fully wake up Difficult to comfort

    Why do I have bad dreams when it’s too hot?

    Wednesday, August 22, 2018 If you’re having nightmares, you might want to turn down the air conditioning. Researchers warn that sleeping in a warm room causes your dreams to become more vivid, and that could lead to more intense nightmares. RELATED: 18 scariest things that could happen in your sleep Doctors say the perfect sleeping temperature is between 61 to 64 degrees.

    Can a fever make you hallucinate?

    Fever is one of the symptoms of coronavirus disease 2019 (COVID-19), which is prevalent both in Korea and in other countries throughout the world. Fever is defined as an oral temperature of 37.8°C or higher or a rectal temperature of 38.2°C or higher.

    • There are many causes of fever, including infections such as bacteria and viruses.
    • When the body heat rises, blood vessels dilate to lower the core body temperature, increasing sweat secretion.
    • In children, a high fever can cause febrile convulsions.
    • Due to a high fever, one becomes mentally confused and unable to understand the surrounding environment, with very unstable emotions, causing conscious and cognitive disturbances such as illusions or hallucinations—that is, delirium.

    How did Koreans interpret these symptoms before it was discovered that pathogens are the cause of infectious diseases that result in high fever? In the late Joseon Dynasty, many infectious diseases such as smallpox, measles, and cholera occurred. These “plagues” would spread suddenly and frighten the populace, but they would disappear after a while.

    The people’s awareness and perceptions of plagues can be seen vividly in the tales of that time. This paper introduces an example of “child fever” from the examples of plagues described in the book Eoyuyadam, published in 1622 by Mongin Yu (1559 – 1623), Relevant materials were found and verified by searching the Research Information Service System provided by the Korea Education and Research Information Service,

    In section 159 of Eoyuyadam, related to religion, the following is recorded: In this era, if a child was afflicted with a plague and had hallucinations, people believed that the child became numinous. Since their parents only responded through prayer, due to ignorance regarding effective treatments for the disease, most children affected by this condition died ( Fig.1 ). A child with halluciations. If a child was afflicted with a plague and had hallucinations, people believed that the child became numinous. Parents responded through prayer. Illustration by Hye Won Hu, MA. My thoughts are: Plague causes fever, and heat is fire.

    1. The nature of fire is bright, and fire controls the heart.
    2. Since the heart is inherently futile, when it has a fever, it becomes as powerful as a ghost and as bright as fire, hearing without hearing and seeing without seeing.
    3. That is why an afflicted child is able to respond to external events even in a dark, quiet room, and sometimes can surprise and deceive people by revealing things they had no way of knowing about in casual talk like sleep talk.

    In my opinion, both plague and measles are febrile diseases. This is because heat and fire are so bright that they can see even things that have no form. When women see such things, they put their hands together and pray to God, which is ridiculous. People said that children affected by plagues were unusually smart and could understand things they had not seen and heard, but Mongin Yu said that even if something like this happens, it is not because the child is smart, but because of the fever, which makes that mind temporarily weak.

    1. He criticized others’ viewpoints based on the theory of the five elements as the principle of yin and yang.
    2. In fact, children with high fever and delirium can progress to encephalitis or encephalopathy, especially in cases of influenza infection.
    3. Delirium due to hyperthermia requires differentiation from benign parasomnia, which is characterized by fearful expressions, a positive past history, and autonomic nerve symptoms.

    Instead, in delirium, visual hallucinations occur in association with sleep. Meningeal signs and disturbed consciousness also appear. Marked slowing of the background activity of electroencephalography is a warning sign of delirium, When a fever above 38.5°C persists in children, it is best to first take off all clothes and continue to wipe their head, chest, stomach, armpits, and groin, which generate abundant heat, with tepid water at about 30°C so that the heat can gradually go down.

    When the body temperature rises, the basal metabolic rate increases, the heart rate increases, and water loss occurs. When the body temperature rises by 1°C, the basal metabolic rate increases by 10 – 12%, the oxygen consumption rate by 13%, the heart rate by 15 beats per minute, and daily insensible water loss increases by 300 – 500 mL per square meter of body surface area.

    Therefore, it is important to drink plenty of water. Mongin Yu was critical of the belief that children become spiritual when they are afflicted by a plague. He argued that although people said that children afflicted by a plague were unusually intelligent and could understand things they had not seen and heard, any such cases did not occur as a result of the child becoming intelligent.

    • Instead, he said that this could be a temporary phenomenon.
    • Although he understood the mechanism of fever differently from how it is understood in modern medicine, he recognized that fever causes “mental confusion” and hallucinations.
    • He pointed out that the beliefs about plagues in that era were wrong, and emphasized the necessity of treating sick children.

    In Korea, scientific prevention and treatment measures are being implemented in response to COVID-19. However, some people vocalize unscientific and religious opinions and recommend traditional prescriptions. It is worth remembering that a Joseon dynasty scholar, although he worked within a framework based on yin and yang, argued for a relatively empirical and scientific approach to prevention and treatment 400 years ago.

    Does a fever make you talk in your sleep?

    High fever is also one of the causes of sleep talking.