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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...
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:
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...
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...
Stages of Sleep01:22

Stages of Sleep

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.
Before sleep begins, in wakefulness, the brain exhibits primarily beta waves, which are high in frequency and low in amplitude, indicating alertness...
Sedatives and Hypnotics Drugs: Miscellaneous Agents01:17

Sedatives and Hypnotics Drugs: Miscellaneous Agents

Sedatives and hypnotics encompass a wide range of substances, each with its unique mechanism of action, uses, and potential adverse effects.
Melatonin congeners like ramelteon (Rozerem) and tasimelteon (Hetlioz) selectively bind to melatonin receptors (MT1 and MT2) and thus mimic the actions of melatonin, a hormone that regulates sleep-wake cycles. Tasimelteon is primarily used for non-24-hour sleep-wake disorder, common in blind patients. They are also used to treat conditions like insomnia...

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Updated: May 27, 2026

A Chronic Sleep Fragmentation Model using Vibrating Orbital Rotor to Induce Cognitive Deficit and Anxiety-Like Behavior in Young Wild-Type Mice
06:23

A Chronic Sleep Fragmentation Model using Vibrating Orbital Rotor to Induce Cognitive Deficit and Anxiety-Like Behavior in Young Wild-Type Mice

Published on: September 22, 2020

Sleep and metabolic function.

Lisa L Morselli1, Aurore Guyon, Karine Spiegel

  • 1Department of Medicine, University of Chicago, Chicago, IL, USA.

Pflugers Archiv : European Journal of Physiology
|November 22, 2011
PubMed
Summary
This summary is machine-generated.

Getting adequate sleep is crucial for metabolic health. Insufficient sleep and sleep apnea increase the risk of obesity and diabetes by disrupting glucose homeostasis and appetite regulation.

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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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Area of Science:

  • Endocrinology
  • Metabolic Health
  • Sleep Science

Background:

  • Sleep curtailment is increasingly common in industrialized nations.
  • Obesity and diabetes prevalence has risen significantly over the past 30 years.
  • Obstructive sleep apnea (OSA) is a prevalent condition linked to obesity, exacerbating metabolic disturbances.

Purpose of the Study:

  • To review evidence on sleep's role in glucose homeostasis and appetite regulation.
  • To examine epidemiological and laboratory data on sleep duration, quality, and metabolic disease risk.
  • To discuss OSA's impact on glucose metabolism and the benefits of continuous positive airway pressure (CPAP) treatment.

Main Methods:

  • Literature review of studies on sleep, metabolic function, and endocrine regulation.
  • Analysis of epidemiological data linking sleep patterns to diabetes and obesity.
  • Review of laboratory studies investigating sleep deprivation effects.
  • Examination of research on obstructive sleep apnea and its treatment.

Main Results:

  • Sleep plays a significant role in regulating glucose metabolism and appetite hormones.
  • Reduced sleep duration and poor sleep quality are associated with increased risk of diabetes and obesity.
  • Obstructive sleep apnea contributes to metabolic dysfunction, and CPAP treatment shows benefits.

Conclusions:

  • Sufficient, high-quality sleep is essential for maintaining metabolic health.
  • Sleep curtailment and sleep disorders like OSA are significant contributing factors to the obesity and diabetes epidemics.
  • Understanding and addressing sleep issues is vital for public health strategies targeting metabolic diseases.