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Related Concept Videos

Obsessive-Compulsive Disorder01:28

Obsessive-Compulsive Disorder

Obsessive-compulsive disorder (OCD) is a mental health condition characterized by recurrent obsessions, compulsions, or both, which consume significant time and interfere with daily functioning. Obsessions involve persistent, intrusive, and unwanted thoughts, images, or urges that evoke anxiety. Common examples include irrational fears of contamination or harm. Compulsions are repetitive behaviors or mental acts performed to reduce the anxiety caused by obsessions. For instance, individuals...
Personality Disorders: Dependent and Obsessive-Compulsive01:24

Personality Disorders: Dependent and Obsessive-Compulsive

Dependent personality disorder and obsessive-compulsive personality disorder are two separate psychological conditions that influence behavior, relationships, and overall life functioning. Though both involve maladaptive behaviors, their core characteristics and motivations differ significantly.
 Dependent Personality Disorder
Dependent personality disorder is characterized by an excessive reliance on others to manage various aspects of life. Individuals with this disorder often struggle with...
Anxiety: Overview01:18

Anxiety: Overview

Anxiety is a common mental disorder featuring excessive worry, fear, and apprehension, significantly affecting daily life. People with anxiety disorders experience persistent and intense anxiety, interrupting their everyday functioning.
Individuals with anxiety often experience a range of physical and emotional symptoms, including sweating, trembling, tachycardia, and disturbances in sleep patterns. These symptoms vary in intensity and frequency but are generally disruptive and distressing.
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:
Oppositional Defiant Disorder01:30

Oppositional Defiant Disorder

A persistent pattern of angry or irritable mood, defiant behavior, or vindictiveness characterizes Oppositional Defiant Disorder (ODD). Symptoms must occur over at least six months, involve interactions with individuals beyond siblings, and meet specific diagnostic criteria to be clinically significant. The disorder affects emotional regulation, social interactions, and behavior, often manifesting early in life and influencing long-term development and functioning.
Diagnostic Criteria and...

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Related Experiment Video

Updated: May 13, 2026

Signal Attenuation as a Rat Model of Obsessive Compulsive Disorder
09:29

Signal Attenuation as a Rat Model of Obsessive Compulsive Disorder

Published on: January 9, 2015

Sleep and obsessive-compulsive disorder (OCD).

Jessica L Paterson1, Amy C Reynolds, Sally A Ferguson

  • 1Central Queensland University, Appleton Institute, PO Box 42, Goodwood SA 5034, Australia.

Sleep Medicine Reviews
|March 19, 2013
PubMed
Summary
This summary is machine-generated.

Obsessive-compulsive disorder (OCD) is linked to sleep disturbances, with some patients experiencing reduced sleep time and others showing delayed sleep phase disorder. Addressing sleep issues may improve OCD treatment outcomes.

Keywords:
Delayed sleep phase disorderDepressionOCDObsessive-compulsive disorderRapid eye movement (REM) sleepSleep

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Last Updated: May 13, 2026

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Area of Science:

  • Psychiatry
  • Sleep Medicine
  • Neuroscience

Background:

  • Obsessive-compulsive disorder (OCD) is a chronic mental illness impacting daily functioning.
  • Altered sleep behavior is reported in OCD, but findings are inconsistent.
  • Understanding sleep disturbances is crucial due to their impact on mood and well-being.

Purpose of the Study:

  • To systematically review and analyze existing literature on sleep disturbances in adults with OCD.
  • To identify common themes and patterns in sleep problems associated with OCD.
  • To explore the relationship between OCD symptom severity and sleep quality.

Main Methods:

  • A systematic literature search was conducted across five databases.
  • Studies assessing sleep in adult OCD patients were included.
  • Qualitative data analysis was employed to identify common themes.

Main Results:

  • Fourteen studies met the inclusion criteria.
  • Some evidence suggests reduced total sleep time and sleep efficiency in OCD patients.
  • Sleep disturbances characteristic of depression were noted, alongside delayed sleep phase disorder (DSPD) in some individuals.
  • Severe OCD symptoms consistently correlated with greater sleep disturbance.

Conclusions:

  • Sleep disturbances are prevalent in OCD patients.
  • Addressing sleep issues may be integral to a holistic OCD treatment approach.
  • Improving sleep may enhance treatment efficacy, reduce relapse risk, and prevent comorbid psychiatric conditions.