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Sleep pressure correlates of cognitive and behavioral morbidity in snoring children

Louise M O'Brien1, Riva Tauman, David Gozal

  • 1Kosair Children's Hospital Research Institute, Division of Pediatric Sleep Medicine, Department of Pediatrics, University of Louisville, KY 40202, USA.

Sleep
|May 6, 2004
PubMed

Insights

Children with higher sleep pressure scores (SPS) show more daytime neurocognitive deficits, indicating disturbed sleep homeostasis impacts pediatric sleep-disordered breathing independently of respiratory issues.

Area of Science:

  • Pediatric Sleep Medicine
  • Neurodevelopmental Disorders
  • Sleep Physiology

Background:

  • Sleep architecture is altered in children with sleep-disordered breathing (SDB).
  • Changes in sleep architecture correlate with SDB severity.
  • A sleep pressure score (SPS) has been developed to quantify sleep disturbance.

Purpose of the Study:

  • To investigate the association between a novel sleep pressure score (SPS) and neurocognitive function in children.
  • To determine if SPS is linked to daytime deficits in children with SDB.

Main Methods:

  • A prospective study involving 199 children who underwent polysomnography and neurobehavioral testing.
  • Children were categorized into SPSHigh (≥0.25) and SPSLow (<0.25) groups.
  • Neurocognitive performance was compared between the two groups.

Main Results:

  • Children in the SPSHigh group exhibited significant deficits in memory, language, verbal abilities, and visuospatial functions.
  • These neurocognitive deficits were observed independently of respiratory disturbances and hypoxemia.
  • Effect sizes ranged from small to moderate and remained statistically significant after adjustments.

Conclusions:

  • A sleep pressure score derived from polysomnography is associated with daytime neurobehavioral deficits in children.
  • Disturbed sleep homeostasis plays a significant role in pediatric sleep-disordered breathing.
  • SPS may serve as a valuable indicator of neurocognitive impact in pediatric SDB.
Abstract

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