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Related Concept Videos

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

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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: a health imperative.

Faith S Luyster1, Patrick J Strollo, Phyllis C Zee

  • 1School of Nursing, University of Pittsburgh, Pittsburgh, PA 15261, USA. luysterfs@upmc.edu

Sleep
|June 2, 2012
PubMed
Summary
This summary is machine-generated.

Chronic sleep deficiency negatively impacts health, increasing risks for cardiovascular and metabolic diseases. Insufficient sleep also impairs cognitive and motor functions, leading to accidents and injuries.

Keywords:
Sleep deficiencyaccidentscancercardiovascular diseasecircadian misalignmentmortalityobesitysleep durationstroketype 2 diabetes

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A Chronic Sleep Fragmentation Model using Vibrating Orbital Rotor to Induce Cognitive Deficit and Anxiety-Like Behavior in Young Wild-Type Mice
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Collecting Sleep, Circadian, Fatigue, and Performance Data in Complex Operational Environments
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Collecting Sleep, Circadian, Fatigue, and Performance Data in Complex Operational Environments

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

A Chronic Sleep Fragmentation Model using Vibrating Orbital Rotor to Induce Cognitive Deficit and Anxiety-Like Behavior in Young Wild-Type Mice
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Collecting Sleep, Circadian, Fatigue, and Performance Data in Complex Operational Environments
08:36

Collecting Sleep, Circadian, Fatigue, and Performance Data in Complex Operational Environments

Published on: August 8, 2019

Area of Science:

  • Sleep Science
  • Public Health
  • Internal Medicine

Background:

  • Chronic sleep deficiency is an underappreciated health determinant.
  • Inadequate or mistimed sleep leads to molecular, immune, and neural changes.
  • These changes contribute to disease development independently of primary sleep disorders.

Purpose of the Study:

  • To communicate current knowledge on sufficient sleep and circadian alignment to health stakeholders.
  • To highlight the role of sleep deficiency in disease etiology.
  • To inform national health strategies regarding sleep.

Main Methods:

  • Review of current scientific knowledge on sleep deficiency and health.
  • Synthesis of findings by the American Academy of Sleep Medicine and the Sleep Research Society.
  • Development of a consensus statement for health stakeholders.

Main Results:

  • Chronic sleep deficiency is linked to cardiovascular and metabolic diseases.
  • Sleep deprivation can exacerbate existing conditions and shorten lifespan.
  • Impaired cognitive and motor performance increases accident risk.

Conclusions:

  • Sufficient sleep and circadian alignment are crucial for adult health.
  • Addressing sleep deficiency is vital for preventing disease and injury.
  • Public health initiatives should prioritize sleep health.