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Related Concept Videos

Post-traumatic Stress Disorder01:27

Post-traumatic Stress Disorder

Post-traumatic stress disorder (PTSD) is a psychiatric condition that arises following exposure to traumatic events such as natural disasters, forced displacement, or severe accidents. It significantly impairs individuals' ability to cope with daily activities and disrupts their emotional and psychological equilibrium.
Symptoms and Behavioral Manifestations
A spectrum of distressing symptoms characterizes PTSD. Recurrent flashbacks, where individuals involuntarily relive traumatic events, are a...
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...
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...
Understanding Sleep01:11

Understanding Sleep

Sleep, an essential biological state, involves significant reductions in physical activity, sensory awareness, and interaction with the environment. This complex physiological process is primarily regulated by specific brain regions, notably the hypothalamus and pons, which govern the sleep-wake cycle or circadian rhythm.
The circadian rhythm, a nearly 24-hour cycle, is deeply influenced by environmental light cues. Light exposure directly affects the hypothalamus, which in turn regulates...
Management of Insomnia01:19

Management of Insomnia

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...
Dissociative Disorders01:27

Dissociative Disorders

Dissociative disorders represent complex psychological conditions characterized by disruptions in consciousness, memory, identity, or perception. These disruptions cause individuals to experience a disconnection from their thoughts, emotions, and memories. The phenomenon is not merely an occasional lapse in attention but a profound alteration in mental functioning that can severely impact daily life.
Dissociative Fugue
A hallmark feature of dissociative disorders is the dissociative fugue...

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Related Experiment Video

Updated: May 14, 2026

Use of a Psychophysiological Script-driven Imagery Experiment to Study Trauma-related Dissociation in Borderline Personality Disorder
09:55

Use of a Psychophysiological Script-driven Imagery Experiment to Study Trauma-related Dissociation in Borderline Personality Disorder

Published on: March 8, 2018

Sleep Disturbances in PTSD: Insight from Clinical Studies.

Meet S Parikh1, Rishi Sharma2, Mahesh M Thakkar2

  • 1Department of Neurology, University of Missouri - Columbia School of Medicine, Columbia, Missouri, USA.

Missouri Medicine
|May 13, 2026
PubMed
Summary
This summary is machine-generated.

Posttraumatic stress disorder (PTSD) significantly disrupts sleep, affecting circadian genes and REM sleep. Further research is needed to understand PTSD

Keywords:
PTSDcircadianclinicalsleep

More Related Videos

Biomarkers in an Animal Model for Revealing Neural, Hematologic, and Behavioral Correlates of PTSD
08:29

Biomarkers in an Animal Model for Revealing Neural, Hematologic, and Behavioral Correlates of PTSD

Published on: October 10, 2012

Related Experiment Videos

Last Updated: May 14, 2026

Use of a Psychophysiological Script-driven Imagery Experiment to Study Trauma-related Dissociation in Borderline Personality Disorder
09:55

Use of a Psychophysiological Script-driven Imagery Experiment to Study Trauma-related Dissociation in Borderline Personality Disorder

Published on: March 8, 2018

Biomarkers in an Animal Model for Revealing Neural, Hematologic, and Behavioral Correlates of PTSD
08:29

Biomarkers in an Animal Model for Revealing Neural, Hematologic, and Behavioral Correlates of PTSD

Published on: October 10, 2012

Area of Science:

  • Neuroscience
  • Sleep Medicine
  • Psychiatry

Background:

  • Posttraumatic stress disorder (PTSD) is frequently associated with sleep disturbances.
  • Symptoms include nightmares, fragmented sleep, and altered sleep architecture, especially concerning Rapid Eye Movement (REM) sleep.
  • The precise mechanisms linking PTSD to these sleep issues are not fully understood.

Purpose of the Study:

  • To comprehensively review the role of circadian genes in sleep disturbances related to PTSD.
  • To synthesize findings from patient studies to elucidate the relationship between PTSD and sleep patterns.
  • To explore potential mechanisms underlying PTSD-related sleep problems, including REM sleep alterations.

Main Methods:

  • Systematic review of existing literature on PTSD, sleep disturbances, and circadian genes.
  • Analysis of patient studies investigating sleep patterns in individuals with PTSD.
  • Synthesis of findings to identify correlations and potential causal pathways.

Main Results:

  • PTSD is linked to significant alterations in sleep, including disrupted continuity and architecture.
  • Circadian gene dysregulation may play a role in PTSD-related sleep disturbances.
  • REM sleep regulation appears particularly affected in PTSD patients.

Conclusions:

  • A deeper understanding of PTSD's impact on sleep, particularly REM sleep and circadian genes, is crucial.
  • Elucidating these mechanisms can lead to improved diagnostic and therapeutic strategies for sleep disturbances in PTSD.
  • Further research is warranted to fully understand the complex interplay between PTSD, sleep, and genetic factors.