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Related Concept Videos

Nightmares and Night Terrors01:18

Nightmares and Night Terrors

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 often...
Sleep-Wake Cycles01:24

Sleep-Wake Cycles

Sleep is an essential physiological process vital to maintaining overall well-being. The reticular activating system (RAS), a network of neurons in the brainstem, regulates wakefulness and sleep. While it may seem passive, sleep consists of distinct cycles, each with its unique characteristics and functions. Two key sleep phases are non-rapid eye movement (NREM) and  rapid eye movement (REM).
NREM Sleep
NREM sleep comprises four progressive stages that seamlessly merge:
Narcolepsy01:07

Narcolepsy

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.
REM Sleep Behavior Disorder01:15

REM Sleep Behavior Disorder

REM Sleep Behavior Disorder (RBD) is a sleep disorder characterized by the absence of muscle paralysis that normally occurs during the REM phase of sleep. This absence allows individuals to physically act out their dreams, which are often vivid and disturbing. Common behaviors exhibited during episodes include kicking, punching, and yelling. These actions can be dangerous, potentially leading to injuries for the person with RBD or their bed partner.
RBD is significantly associated with...
Sleepwalking and Sleep Talking01:17

Sleepwalking and Sleep Talking

Somnambulism, commonly known as sleepwalking, involves individuals engaging in activities ranging from simple walking to more complex behaviors such as driving. Sleepwalking typically occurs during the slow-wave sleep stages 3 and 4 early in the night when the person is not dreaming, contradicting the myth that sleepwalkers are acting out their dreams.
Factors that increase the likelihood of sleepwalking include sleep deprivation and alcohol consumption. Contrary to common beliefs, it is safe...
Insomnia01:27

Insomnia

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.
Multiple factors contribute...

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Related Experiment Video

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Measuring Neural Mechanisms Underlying Sleep-Dependent Memory Consolidation During Naps in Early Childhood
08:20

Measuring Neural Mechanisms Underlying Sleep-Dependent Memory Consolidation During Naps in Early Childhood

Published on: October 2, 2019

Sleep disorders in children.

Paul Montgomery1, Danielle Dunne

  • 1University of Oxford, Oxford, UK.

BMJ Clinical Evidence
|May 20, 2009
PubMed
Summary
This summary is machine-generated.

This review examines treatments for childhood sleep disorders, including dyssomnias and parasomnias. It evaluates interventions like behavioral therapy, melatonin, and sleep hygiene for effectiveness and safety.

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Area of Science:

  • Pediatric Sleep Medicine
  • Clinical Evidence Synthesis

Background:

  • Sleep disorders affect 20-30% of young children, encompassing issues like excessive daytime sleepiness, difficulty sleeping (dyssomnias), and sleep disturbances (parasomnias) such as sleepwalking.
  • Children with physical or learning disabilities face a higher risk of developing sleep disorders.

Purpose of the Study:

  • To systematically review the effects of treatments for dyssomnias in children.
  • To systematically review the effects of treatments for parasomnias in children.

Main Methods:

  • A systematic review was conducted, searching major databases up to September 2006.
  • Included studies were 14 systematic reviews, randomized controlled trials (RCTs), or observational studies.
  • GRADE evaluation was used to assess the quality of evidence for interventions.

Main Results:

  • The review identified and evaluated various interventions for childhood sleep disorders.
  • Evidence quality for different treatments was assessed using the GRADE system.

Conclusions:

  • Information on the effectiveness and safety of interventions including antihistamines, behavioral therapy, melatonin, and sleep hygiene is presented.
  • Specific interventions evaluated include scheduled waking for parasomnias and safety measures.