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Related Concept Videos

Insufficient Sleep and Sleep Deprivation01:13

Insufficient Sleep and Sleep Deprivation

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Insufficient sleep refers to not getting the recommended amount of sleep for optimal functioning, even if it's just slightly less than needed. Sleep insufficiency may occur due to lifestyle choices, such as staying up late for social events or work, resulting in routinely getting less sleep than required. For example, consistently sleeping 6 hours when the body needs 7-9 hours can lead to cumulative effects on health and well-being.
Sleep deprivation is a more severe form of sleep loss...
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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.
Understanding the concepts of physical dependence,...
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Understanding Sleep01:11

Understanding Sleep

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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...
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REM Sleep Behavior Disorder01:15

REM Sleep Behavior Disorder

479
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...
479
Management of Insomnia01:19

Management of Insomnia

338
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...
338
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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Updated: Oct 9, 2025

Chronic Sleep Deprivation in Mouse Pups by Means of Gentle Handling
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Adolescent sleep - lessons from COVID-19.

Charlie Tyack1, Shreena Unadkat1, Justyna Voisnyte1

  • 1Sleep Medicine, 443490Evelina London Children's Hospital, London, UK.

Clinical Child Psychology and Psychiatry
|December 22, 2021
PubMed
Summary

The COVID-19 pandemic significantly disrupted adolescent sleep patterns globally. This commentary reviews studies on pandemic-related sleep changes in teenagers, offering strategies for improvement.

Keywords:
COVID-19Sleepadolescentcircadianlong COVIDmental healthpaediatricpandemicteen

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Area of Science:

  • Sleep Science
  • Adolescent Health
  • Epidemiology

Background:

  • The COVID-19 pandemic presented unprecedented challenges to global public health.
  • Adolescent sleep is crucial for development and well-being, and was notably affected during the pandemic.

Purpose of the Study:

  • To provide a comprehensive commentary on the multifaceted impacts of the COVID-19 pandemic on adolescent sleep.
  • To synthesize findings from international research on this topic.
  • To identify potential interventions for mitigating negative sleep outcomes.

Main Methods:

  • Systematic review and synthesis of existing literature on COVID-19 and adolescent sleep.
  • Analysis of various contributing factors including mental health, online learning, and Long COVID.
  • Exploration of biological and environmental interactions affecting sleep.

Main Results:

  • The pandemic led to significant, varied disruptions in adolescent sleep worldwide.
  • Factors such as increased screen time, altered schedules, and mental health challenges exacerbated sleep problems.
  • Long COVID also emerged as a factor impacting sleep quality in some adolescents.

Conclusions:

  • Adolescent sleep health requires targeted attention in the post-pandemic era.
  • Interventions should address environmental, psychological, and biological factors.
  • Strategies for "virtuous cycles" can promote healthier sleep habits in teenagers.