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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.
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Stages of Sleep01:22

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Sleep progresses through distinct stages, each characterized by specific brain wave patterns and physiological responses ranging from wakefulness to stages of non-rapid eye movement, known as non-REM, to rapid eye movement, referred to as REM. Understanding these stages helps in recognizing how sleep supports various bodily and cognitive functions.
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Understanding Sleep01:11

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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.
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Sleep Apnea01:21

Sleep Apnea

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Sleep apnea is a condition where breathing stops intermittently during sleep, often leading to significant health issues. Each episode can last from 10 to 20 seconds or more and is frequently accompanied by a brief arousal from sleep. This disturbance, largely unnoticed by the individual, can lead to severe daytime fatigue. Commonly, individuals seek help after being informed by their partners about loud snoring and noticeable breathing pauses during sleep.
The condition is more prevalent among...
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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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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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Quantitative Measurement of the Immune Response and Sleep in Drosophila
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Local sleep.

James M Krueger1, Joseph T Nguyen1, Cheryl J Dykstra-Aiello1

  • 1Department of Integrative Physiology and Neurobiology, College of Veterinary Medicine, Spokane, WA, USA.

Sleep Medicine Reviews
|December 4, 2018
PubMed
Summary
This summary is machine-generated.

Local sleep emerges as a fundamental brain property, challenging top-down regulation. This local use-dependent sleep paradigm offers new insights into brain function and potential clinical applications.

Keywords:
Bottom-up sleepCortical column sleepIn vitro sleepLocal sleepNeuronal/glial networksPlasticitySleep mechanismsUse-dependent sleep

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Area of Science:

  • Neuroscience
  • Sleep Science
  • Cellular Biology

Background:

  • The traditional view of sleep regulation emphasizes "top-down" control by specific brain circuits.
  • This paradigm struggles to explain phenomena like unilateral sleep, sleepwalking, and performance deficits post-sleep deprivation.
  • Brain lesions, even without affecting sleep circuits, induce sleep, suggesting sleep is a fundamental property of neuronal networks.

Purpose of the Study:

  • To summarize evidence for local sleep states in small brain areas and neuronal/glial cultures.
  • To explore the electrophysiological and molecular similarities between local and whole-animal sleep.
  • To discuss the implications of local sleep for understanding plasticity, inflammation, and future research.

Main Methods:

  • Review of existing literature on local sleep phenomena in vivo and in vitro.
  • Analysis of electrophysiological and molecular data from studies on local sleep states.
  • Comparison of local sleep mechanisms with those of plasticity and inflammation.

Main Results:

  • Small neuronal/glial networks exhibit non-rapid eye movement sleep-like states.
  • Local sleep states share electrophysiological properties and molecular regulators with whole-animal sleep.
  • Local sleep demonstrates homeostatic regulation, similar to whole-body sleep.

Conclusions:

  • Sleep appears to be a fundamental property of local neuronal networks, not solely dictated by global regulatory circuits.
  • Local sleep shares conserved molecular mechanisms with plasticity and inflammation, initiated by local activity.
  • The local use-dependent sleep concept provides a novel framework for future research and clinical applications in sleep medicine.