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Related Concept Videos

Insomnia01:27

Insomnia

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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.
Multiple factors contribute...
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Management of Insomnia01:19

Management of Insomnia

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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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REM Sleep Behavior Disorder01:15

REM Sleep Behavior Disorder

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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...
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Substance Use Disorders Affecting Sleep01:24

Substance Use Disorders Affecting Sleep

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Substance use disorders involve a pattern of using drugs more extensively than intended and continuing use despite harmful consequences. This includes legal substances like alcohol and nicotine, as well as illegal drugs. These disorders often involve both physical and psychological dependence, reflecting compulsive use of substances that significantly alter thoughts, feelings, and behaviors, contributing to a major public health issue.
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Sleep-Wake Cycles01:24

Sleep-Wake Cycles

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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:
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Sleepwalking and Sleep Talking01:17

Sleepwalking and Sleep Talking

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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.
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Updated: Sep 27, 2025

Heat-sensitive Moxibustion as a Traditional Chinese Medicine Therapy for Chronic Obstructive Pulmonary Disease Combined with Insomnia
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Does total sleep time substantially increase after cognitive behavioral therapy for insomnia?

Hannah Scott1, Janet M Y Cheung2, Alexandria Muench3

  • 1Adelaide Institute for Sleep Health: A Flinders Centre of Research Excellence, College of Medicine and Public Health, Flinders University, Adelaide, Australia.

Journal of Clinical Sleep Medicine : JCSM : Official Publication of the American Academy of Sleep Medicine
|April 11, 2022
PubMed
Summary
This summary is machine-generated.

Cognitive Behavioral Therapy for Insomnia (CBT-I) shows modest increases in total sleep time (TST) initially. While many patients reach baseline TST by 24 months, a smaller proportion significantly exceeds it, suggesting potential for further optimization.

Keywords:
cognitive behavioral therapy for insomniainsomniasleep opportunitysleep restrictiontotal sleep time

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Area of Science:

  • Sleep Medicine
  • Behavioral Science
  • Clinical Psychology

Background:

  • Cognitive Behavioral Therapy for Insomnia (CBT-I) is a standard treatment.
  • Initial sleep restriction in CBT-I often reduces total wake time but has minimal immediate impact on self-reported total sleep time (TST).

Purpose of the Study:

  • To determine the percentage of individuals achieving or exceeding baseline TST after CBT-I.
  • To analyze the long-term TST gains in patients undergoing CBT-I.

Main Methods:

  • A secondary analysis of data from a randomized controlled trial involving 80 individuals with chronic insomnia.
  • Assessed the proportion of participants reaching (≥0 min increase) and appreciably exceeding (≥30 min increase) baseline TST via daily sleep diaries at posttreatment and 24-month follow-up.

Main Results:

  • At acute treatment completion, 45% of participants reached or exceeded baseline TST.
  • By 24 months, 86% reached or exceeded baseline TST, while only 58% appreciably exceeded it (≥30 min increase).
  • Initially, only 17% saw a significant TST increase of 30 minutes.

Conclusions:

  • Current CBT-I protocols may not substantially increase self-reported TST for a significant number of insomnia patients.
  • Further research is needed to explore if optimizing sleep opportunity titration can enhance TST gains and benefit more patients.