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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:
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...
Narcolepsy01:07

Narcolepsy

Narcolepsy is a chronic sleep disorder characterized by pervasive, uncontrolled sleepiness and other sleep disturbances. One of its hallmark symptoms is an abrupt transition to REM sleep upon falling asleep, which causes symptoms typically associated with this phase to occur unexpectedly during wakefulness. These include the following symptoms, which typically last from a minute or two to half an hour.
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...
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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Updated: May 24, 2026

Multidisciplinary Approach to Obesity Management: A Case Report
05:10

Multidisciplinary Approach to Obesity Management: A Case Report

Published on: May 30, 2025

Sleep disorders in morbid obesity.

Morohunfolu E Akinnusi1, Ranime Saliba, Jahan Porhomayon

  • 1The Veterans Affairs Western New York Healthcare System, Buffalo, NY, United States.

European Journal of Internal Medicine
|March 6, 2012
PubMed
Summary

Obesity significantly increases sleep disorders like sleep apnea and narcolepsy. While weight loss helps, bariatric surgery offers faster relief for sleep apnea symptoms.

Area of Science:

  • Sleep Medicine
  • Obesity Research
  • Respiratory Physiology

Background:

  • Rising obesity rates correlate with increased sleep disordered breathing.
  • Obesity causes pharyngeal airway collapsibility and respiratory system strain.
  • Obesity is linked to narcolepsy, potentially via hypocretin neuron dysfunction.

Purpose of the Study:

  • To explore the multifaceted relationship between obesity and sleep disorders.
  • To review current management strategies for obesity-related sleep disturbances.
  • To highlight the impact of obesity on sleep quality and daytime function.

Main Methods:

  • Literature review of obesity and sleep disorder connections.
  • Analysis of physiological mechanisms linking obesity to airway collapse.

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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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  • Examination of treatment efficacy for sleep apnea in obese populations.
  • Main Results:

    • Obese individuals face higher risks of sleep apnea, daytime hypercapnia, and narcolepsy.
    • Dietary changes offer limited long-term sleep apnea improvement; bariatric surgery shows faster results.
    • Sleep-related eating disorders and night eating syndrome are treatable conditions associated with obesity.

    Conclusions:

    • Obesity is a major risk factor for various sleep disorders, impacting respiratory and neurological functions.
    • Effective management of obesity is crucial for improving sleep quality and reducing daytime sleepiness.
    • Targeting abnormal eating patterns offers a reversible approach to managing obesity and associated sleep issues.