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Related Concept Videos

Nightmares and Night Terrors01:18

Nightmares and Night Terrors

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Nightmares and night terrors represent two distinct types of sleep disturbances that differ in timing, characteristics, and the sleeper's recall of the event. Nightmares are vivid, disturbing dreams that usually awaken the sleeper from REM sleep, a stage of sleep where brain activity is high, and dreams are most frequent. Upon awakening, individuals often have detailed recollections of their nightmares, which can include themes of threats to survival, security, or self-esteem.
Nightmares...
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Narcolepsy is a chronic sleep disorder characterized by pervasive, uncontrolled sleepiness and other sleep disturbances. One of its hallmark symptoms is an abrupt transition to REM sleep upon falling asleep, which causes symptoms typically associated with this phase to occur unexpectedly during wakefulness. These include the following symptoms, which typically last from a minute or two to half an hour.
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Restless Leg Syndrome (RLS), also known as Willis-Ekbom disease, is a neurological disorder characterized by an uncontrollable urge to move the legs due to uncomfortable sensations. These sensations typically occur during periods of rest or inactivity, particularly when lying down or sitting, and can severely disrupt sleep.
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While variables are sometimes correlated because one does cause the other, it could also be that some other factor, a confounding variable, is actually causing the systematic movement in our variables of interest. For instance, as sales in ice cream increase, so does the overall rate of crime. Is it possible that indulging in your favorite flavor of ice cream could send you on a crime spree? Or, after committing crime do you think you might decide to treat yourself to a cone?
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Insomnia is a prevalent sleep disorder characterized by difficulty falling asleep, frequent awakenings during the night, and waking up too early without being able to return to sleep. People with insomnia often experience these disruptions at least three nights a week for at least one month. Chronic insomnia, which lasts for at least three months, can lead to increased anxiety, which in turn can worsen sleep difficulties, creating a cycle of sleeplessness and stress.
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The sleep cycle, an integral part of human health, consists of several stages with distinct characteristics and functions. It begins with a transition from wakefulness to sleep, known as the light sleep phase, followed by the restorative deep sleep phase, essential for physical recovery and growth. The cycle concludes with the Rapid Eye Movement (REM) phase, characterized by high brain activity and vivid dreaming. Insomnia, a prevalent sleep disorder, involves difficulty falling asleep, staying...
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Nightmares and their treatment.

Jakub Vanek1, Jan Prasko1, Marie Ociskova1

  • 1Department of Psychiatry, Faculty of Medicine and Dentistry, University Palacky Olomouc, University Hospital, 77520 Olomouc, Czech Republic.

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Summary

Nightmares can cause significant distress and health issues. Lucid dreaming techniques offer an accessible method for relief from these distressing dreams.

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Area of Science:

  • Psychology
  • Neuroscience
  • Sleep Science

Background:

  • Nightmares are characterized by frightening and distressing dream experiences.
  • Severe nightmares are linked to sleep disorders, cardiovascular issues, chronic fatigue, anxiety, and cognitive deficits.
  • These symptoms can increase susceptibility to other mental health disorders.

Purpose of the Study:

  • To investigate the impact of nightmares on mental and physical health.
  • To explore potential therapeutic interventions for nightmare sufferers.

Main Methods:

  • Review of existing literature on nightmare phenomenology and associated health consequences.
  • Analysis of the efficacy of lucid dreaming as an intervention.

Main Results:

  • Nightmares are associated with a range of adverse health outcomes, including anxiety and sleep disturbances.
  • Lucid dreaming, a state of conscious awareness during dreams, is presented as a viable self-management technique.

Conclusions:

  • Nightmares pose significant risks to well-being, affecting both mental and physical health.
  • Lucid dreaming techniques provide a promising and accessible avenue for alleviating nightmare-related distress.