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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...
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...
REM Sleep Behavior Disorder01:15

REM Sleep Behavior Disorder

REM Sleep Behavior Disorder (RBD) is a sleep disorder characterized by the absence of muscle paralysis that normally occurs during the REM phase of sleep. This absence allows individuals to physically act out their dreams, which are often vivid and disturbing. Common behaviors exhibited during episodes include kicking, punching, and yelling. These actions can be dangerous, potentially leading to injuries for the person with RBD or their bed partner.
RBD is significantly associated with...
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,...
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:
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...

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[Long-term persistence of obstructive sleep apnoea-hypopnoea syndrome in children treated with adenotonsillectomy. Analysis of prognostic factors].

Acta otorrinolaringologica espanola·2012
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[Continuous positive airway pressure treatment in sleep-related respiratory disorders in children].

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Related Experiment Video

Updated: Jun 4, 2026

Measuring Neural Mechanisms Underlying Sleep-Dependent Memory Consolidation During Naps in Early Childhood
08:20

Measuring Neural Mechanisms Underlying Sleep-Dependent Memory Consolidation During Naps in Early Childhood

Published on: October 2, 2019

[Polysomnography and other sleep studies].

Francisco Segarra Isern1, Nuria Roure Miró, Eduard Estivill Sancho

  • 1Clínica del Son Estivill, USP Institut Universitari Dexeus, Barcelona, España; Capio Hospital General de Catalunya, Barcelona, España. fjsegarra@sleepislife.com

Acta Otorrinolaringologica Espanola
|March 1, 2011
PubMed
Summary

Accurate diagnosis of pediatric sleep disorders requires further testing. Complete overnight polysomnography is the gold standard, but simplified tests like respiratory polygraphy offer alternatives.

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Last Updated: Jun 4, 2026

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Area of Science:

  • Pediatric Sleep Medicine
  • Diagnostic Technologies

Context:

  • Accurate diagnosis of pediatric sleep disorders often necessitates additional testing beyond initial evaluations.
  • Sleep breathing disorders in children specifically require robust diagnostic methods.

Purpose:

  • To review the indications, methodologies, advantages, and disadvantages of various diagnostic sleep tests for children.
  • To provide an overview of the current diagnostic landscape for pediatric sleep disorders.

Summary:

  • Complete overnight polysomnography is the established gold standard for diagnosing pediatric sleep disorders, particularly sleep breathing disorders.
  • Simplified diagnostic alternatives, including respiratory polygraphy and pulse oximetry, exist but offer less comprehensive data.
  • Understanding the trade-offs between different sleep study methods is crucial for appropriate clinical decision-making.

Impact:

  • This review aids clinicians in selecting the most suitable diagnostic tests for pediatric sleep disorder evaluations.
  • Improved understanding of diagnostic options can lead to more timely and accurate diagnoses for children with sleep issues.
  • Highlights the importance of polysomnography while acknowledging the utility of alternative methods in specific contexts.