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Sleep apneic activity in a normal population

E O Bixler, A Kales, C R Soldatos

    Research Communications in Chemical Pathology and Pharmacology
    |April 1, 1982
    PubMed
    Summary
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    Many healthy individuals exhibit sleep apneic activity (SAA), a condition distinct from clinical sleep apnea. SAA prevalence increases with age and weight, and is more common during REM sleep.

    Area of Science:

    • Sleep Medicine
    • Respiratory Physiology
    • Public Health

    Background:

    • Sleep apnea is a common disorder characterized by repeated cessation of breathing during sleep.
    • Subclinical sleep apneic activity (SAA) may affect a significant portion of the healthy population.
    • Understanding SAA prevalence and associated factors is crucial for differentiating it from clinical sleep apnea.

    Purpose of the Study:

    • To determine the prevalence of sleep apneic activity (SAA) in a healthy adult population.
    • To investigate demographic, lifestyle, and sleep-related factors associated with SAA.
    • To compare SAA characteristics with clinical sleep apnea.

    Main Methods:

    • Polysomnography was used to evaluate 100 healthy subjects without sleep complaints.

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  • Subjects were assessed for the presence and characteristics of sleep apneic activity (SAA).
  • Statistical analyses were performed to identify correlations between SAA and various factors.

    • Main Results:

    • 12% of healthy subjects met the criteria for SAA, with higher prevalence in men.
    • SAA showed a positive correlation with increasing age and body weight.
    • SAA occurred more frequently during REM sleep, with minimal association with EEG arousals.

    Conclusions:

    • Sleep apneic activity (SAA) is present in a notable percentage of healthy individuals.
    • Age and weight are significant correlates of SAA, distinguishing it from clinical sleep apnea.
    • Further research is needed to understand the long-term implications of subclinical SAA.