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Related Concept Videos

Sleep Apnea01:21

Sleep Apnea

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...
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...
Other Pulmonary Disorders01:17

Other Pulmonary Disorders

Respiratory disorders encompass a range of conditions with varying levels of severity. Asthma, marked by chronic airway inflammation and hypersensitivity, is one such condition. It can lead to airway obstruction due to factors like bronchial spasms, mucosal edema, increased mucus secretion, or epithelial damage. Asthma triggers are diverse, ranging from allergens to emotional upset, and treatment focuses on both immediate relief through bronchodilators and long-term inflammation suppression.
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...
Alterations in Respiration II01:30

Alterations in Respiration II

There are numerous types of normal and abnormal respiration. Based on ventilatory movements, breathing patterns are classified as regular, deep, or shallow. Examples include Biot's breathing, Cheyne-Stokes respiration, Kussmaul's breathing, hyperventilation, and hypoventilation. Each pattern is clinically significant and aids in evaluating patients.
In Biot's breathing, the respiratory rate and depth are irregular, alternating between periods of deep gasping and apnea. Common causes include...

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Related Experiment Video

Updated: Jun 22, 2026

Acupoint Application Combined with Ear Plaster Therapy for Treating Sleep Disorders with Acute Exacerbation of Chronic Obstructive Pulmonary Disease
04:53

Acupoint Application Combined with Ear Plaster Therapy for Treating Sleep Disorders with Acute Exacerbation of Chronic Obstructive Pulmonary Disease

Published on: October 18, 2024

Sleep, sleep-disordered breathing and metabolic consequences.

P Lévy1, M R Bonsignore, J Eckel

  • 1INSERM ERI 17, HP2 laboratory, Joseph Fourier University and Sleep Laboratory, EFCR, Pôle Rééducation et Physiologie, CHU Grenoble, Grenoble, France. PLevy@chu-grenoble.fr

The European Respiratory Journal
|July 2, 2009
PubMed
Summary

Short sleep duration and obstructive sleep apnea (OSA) are linked to metabolic issues like insulin resistance. OSA treatment may improve glucose metabolism, but the interplay between sleep, obesity, and metabolic health requires further study.

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Drug-Induced Sleep Endoscopy (DISE) with Target Controlled Infusion (TCI) and Bispectral Analysis in Obstructive Sleep Apnea
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Drug-Induced Sleep Endoscopy (DISE) with Target Controlled Infusion (TCI) and Bispectral Analysis in Obstructive Sleep Apnea
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Drug-Induced Sleep Endoscopy (DISE) with Target Controlled Infusion (TCI) and Bispectral Analysis in Obstructive Sleep Apnea

Published on: December 6, 2016

Area of Science:

  • Metabolic pathways
  • Sleep science
  • Obesity research

Background:

  • Sleep profoundly impacts metabolic health, influencing insulin resistance, cortisol levels, and sympathetic activation.
  • Decreased sleep duration in the general population correlates with rising obesity rates, suggesting a potential causal link.
  • Obstructive sleep apnea (OSA) is prevalent and associated with glucose intolerance and metabolic syndrome, though its predictive role in diabetes development is unclear.

Purpose of the Study:

  • To explore the intricate relationship between sleep, obesity, and metabolic dysregulation.
  • To investigate the impact of sleep restriction and obstructive sleep apnea (OSA) on metabolic pathways.
  • To elucidate the underlying molecular and cellular mechanisms connecting sleep disturbances to metabolic alterations.

Main Methods:

  • Experimental sleep restriction in healthy subjects.
  • Observational studies correlating sleep duration, OSA severity, and metabolic parameters in the general population.
  • Intermittent hypoxia models in rodents to study interactions between hemodynamic alterations, inflammation, and metabolic changes.

Main Results:

  • Experimental sleep restriction induced insulin resistance, elevated evening cortisol, and sympathetic activation in healthy individuals.
  • Obstructive sleep apnea (OSA) severity correlates with the degree of insulin resistance and is associated with a higher prevalence of metabolic syndrome.
  • Continuous positive airway pressure treatment for OSA showed potential to improve glucose metabolism, particularly in nonobese subjects.

Conclusions:

  • Sleep plays a critical role in regulating metabolic pathways, with both sleep restriction and OSA contributing to metabolic dysfunction.
  • The complex interplay between obesity and OSA in metabolic alterations is still under investigation, with ongoing research into molecular and cellular mechanisms.
  • Further research is needed to fully understand the causal links and develop targeted interventions for sleep-related metabolic disorders.