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Related Concept Videos

Insufficient Sleep and Sleep Deprivation01:13

Insufficient Sleep and Sleep Deprivation

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...
Substance Use Disorders Affecting Sleep01:24

Substance Use Disorders Affecting Sleep

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,...
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:
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...
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...
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...

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Updated: May 30, 2026

Establishing a Device for Sleep Deprivation in Mice
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Establishing a Device for Sleep Deprivation in Mice

Published on: September 22, 2023

Sleep deprivation: consequences for students.

Julie King Marhefka1

  • 1juliemarhefka@comcast.net

Journal of Psychosocial Nursing and Mental Health Services
|August 18, 2011
PubMed
Summary
This summary is machine-generated.

Adolescent sleep-wake cycle delays can lead to persistent sleep loss into adulthood, impacting mood, behavior, and safety. Early intervention with sleep hygiene education is crucial for well-being.

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Chronic Sleep Deprivation in Mouse Pups by Means of Gentle Handling
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Chronic Sleep Deprivation in Mouse Pups by Means of Gentle Handling

Published on: October 11, 2018

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Last Updated: May 30, 2026

Establishing a Device for Sleep Deprivation in Mice
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Published on: September 22, 2023

Chronic Sleep Deprivation in Mouse Pups by Means of Gentle Handling
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Chronic Sleep Deprivation in Mouse Pups by Means of Gentle Handling

Published on: October 11, 2018

Area of Science:

  • Sleep Medicine
  • Adolescent Health
  • Chronobiology

Background:

  • Adolescents commonly experience a delayed sleep-wake phase, often unrecognized by parents and healthcare providers.
  • This delay, if unaddressed, can establish poor sleep habits persisting into adulthood.
  • Early school start times exacerbate sleep loss, initiating a cycle of daytime dysfunction.

Purpose of the Study:

  • To highlight the long-term consequences of adolescent sleep-wake cycle delays.
  • To emphasize the importance of recognizing and addressing sleep insufficiency in adolescents.
  • To advocate for interventions to improve sleep habits and overall well-being.

Main Methods:

  • Review of existing literature on adolescent sleep patterns and consequences.
  • Analysis of the impact of early school hours on sleep duration and quality.
  • Discussion of sleep hygiene principles and their application.

Main Results:

  • Delayed sleep-wake patterns in adolescents often continue into adulthood.
  • Sleep deprivation negatively affects mood, behavior, academic performance, and increases accident risk.
  • Established poor sleep habits present challenges during higher education.

Conclusions:

  • Implementing sleep hygiene education and strict regimens is vital for adolescents.
  • Monitoring sleep insufficiency in adolescents and college students is essential.
  • Improving sleep is critical for academic success and emotional health in young adults.