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Related Concept Videos

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...
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:
Restless Leg Syndrome and Night Terrors01:27

Restless Leg Syndrome and Night Terrors

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.
The exact cause of RLS is not fully understood, but it is believed to involve dopamine, a neurotransmitter that helps regulate muscle movement. Imbalances in dopamine levels...
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.
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...
Stages of Sleep01:22

Stages of Sleep

Sleep progresses through distinct stages, each characterized by specific brain wave patterns and physiological responses ranging from wakefulness to stages of non-rapid eye movement, known as non-REM, to rapid eye movement, referred to as REM. Understanding these stages helps in recognizing how sleep supports various bodily and cognitive functions.
Before sleep begins, in wakefulness, the brain exhibits primarily beta waves, which are high in frequency and low in amplitude, indicating alertness...

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Related Experiment Video

Updated: Jul 11, 2026

Eye Movement Monitoring of Memory
08:06

Eye Movement Monitoring of Memory

Published on: August 15, 2010

Rapid eye movement sleep behavior disorder.

James J Gugger1, Mary L Wagner

  • 1School of Pharmacy, University of Connecticut, Storrs, CT, USA.

The Annals of Pharmacotherapy
|October 11, 2007
PubMed
Summary

Rapid eye movement (REM) sleep behavior disorder (RBD) involves acting out dreams due to loss of muscle atonia during REM sleep. Clonazepam is the primary treatment, with melatonin as a secondary option.

Area of Science:

  • Neurology
  • Sleep Medicine
  • Pharmacology

Background:

  • Rapid eye movement (REM) sleep behavior disorder (RBD) is characterized by the loss of normal skeletal muscle atonia during REM sleep, leading to dream enactment.
  • RBD is frequently observed in geriatric populations and individuals with neurodegenerative conditions, particularly parkinsonian disorders.
  • Idiopathic RBD can serve as an early indicator of underlying parkinsonian syndromes, including Parkinson's disease.

Purpose of the Study:

  • To delineate the clinical characteristics of REM sleep behavior disorder (RBD).
  • To assess available treatment modalities for RBD.
  • To outline strategies for managing patients with RBD who have comorbid diseases.

Main Methods:

  • A comprehensive literature search was conducted using MEDLINE (1977-April 2007) and reference scanning.

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A Chronic Sleep Fragmentation Model using Vibrating Orbital Rotor to Induce Cognitive Deficit and Anxiety-Like Behavior in Young Wild-Type Mice
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A Chronic Sleep Fragmentation Model using Vibrating Orbital Rotor to Induce Cognitive Deficit and Anxiety-Like Behavior in Young Wild-Type Mice

Published on: September 22, 2020

Characterizing the Relationship Between Eye Movement Parameters and Cognitive Functions in Non-demented Parkinson's Disease Patients with Eye Tracking
07:26

Characterizing the Relationship Between Eye Movement Parameters and Cognitive Functions in Non-demented Parkinson's Disease Patients with Eye Tracking

Published on: September 26, 2019

Related Experiment Videos

Last Updated: Jul 11, 2026

Eye Movement Monitoring of Memory
08:06

Eye Movement Monitoring of Memory

Published on: August 15, 2010

A Chronic Sleep Fragmentation Model using Vibrating Orbital Rotor to Induce Cognitive Deficit and Anxiety-Like Behavior in Young Wild-Type Mice
06:23

A Chronic Sleep Fragmentation Model using Vibrating Orbital Rotor to Induce Cognitive Deficit and Anxiety-Like Behavior in Young Wild-Type Mice

Published on: September 22, 2020

Characterizing the Relationship Between Eye Movement Parameters and Cognitive Functions in Non-demented Parkinson's Disease Patients with Eye Tracking
07:26

Characterizing the Relationship Between Eye Movement Parameters and Cognitive Functions in Non-demented Parkinson's Disease Patients with Eye Tracking

Published on: September 26, 2019

  • Keywords included REM sleep behavior disorder, narcolepsy, parkinsonian disorders, levodopa, dopamine agonists, clonazepam, benzodiazepines, and melatonin.
  • Articles published in English were evaluated without specific inclusion criteria.

    • Main Results:

    • RBD involves acting out dreams due to absent REM sleep atonia, with a high injury risk (up to 96%) for patients and partners.
    • Controlled trials for RBD treatments are limited; however, clonazepam demonstrates efficacy as a first-line agent, achieving rapid and complete symptom remission in case series.
    • Melatonin is effective as a second-line or adjunctive therapy for patients intolerant or unresponsive to clonazepam.
    • Both clonazepam and melatonin are generally well-tolerated when administered at bedtime.
    • Managing RBD is complex due to frequent co-occurring neurological conditions.

    Conclusions:

    • Clonazepam is the preferred treatment for REM sleep behavior disorder (RBD) due to its efficacy and favorable safety profile.
    • Melatonin presents a viable alternative as a second-line or adjunctive treatment for RBD.