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Dissociation between objectively quantified snoring and sleep quality.

Kori E Macarthur1, T Douglas Bradley2, Clodagh M Ryan2

  • 1Sleep Research Laboratory, KITE, Toronto Rehab-University Health Network, Toronto, ON, Canada.

American Journal of Otolaryngology
|September 19, 2019
PubMed
Summary
This summary is machine-generated.

Simple snoring, objectively measured, does not impact sleep quality or daytime sleepiness in individuals with mild or no obstructive sleep apnea (OSA). Further research is needed to understand snoring

Keywords:
Apnea-hypopnea indexObstructive sleep apneaSleep stagesSleep structureSnore indexSnoring

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Area of Science:

  • Sleep Medicine
  • Respiratory Physiology

Background:

  • Simple snoring's effect on sleep structure and sleepiness is poorly understood.
  • Previous studies often conflated simple snoring with obstructive sleep apnea (OSA).
  • Objective snoring measures are needed to clarify its independent impact.

Purpose of the Study:

  • To investigate the relationship between objectively measured snoring and sleep structure.
  • To assess the association between snoring intensity and daytime sleepiness in patients without or with mild OSA.

Main Methods:

  • Polysomnography (PSG) with breath sound recording was used.
  • Snore Index (SI) was calculated from recorded snores.
  • Sleep stages, arousals, and Epworth Sleepiness Scale (ESS) scores were analyzed.

Main Results:

  • No significant differences in sleep structure, arousals, or ESS scores were found across snoring intensity groups (SI tertiles).
  • Objectively measured snoring (SI) showed no correlation with sleep structure or sleepiness.
  • Apnea-hypopnea index (AHI) positively correlated with arousal frequency.

Conclusions:

  • Objectively assessed simple snoring is not linked to sleep structure disturbances or subjective sleepiness.
  • Findings differentiate the impact of simple snoring from OSA on sleep quality.