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Related Experiment Videos

Sleep and psychiatric disorders. A meta-analysis.

R M Benca1, W H Obermeyer, R A Thisted

  • 1Department of Psychiatry, University of Chicago, IL 60637.

Archives of General Psychiatry
|August 1, 1992
PubMed
Summary

This meta-analysis reveals significant sleep disturbances, including reduced sleep efficiency and total sleep time, in most psychiatric disorders. Affective disorders showed the most distinct sleep pattern differences compared to controls.

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Area of Science:

  • Psychiatry
  • Sleep Medicine
  • Neuroscience

Background:

  • Sleep disturbances are common in psychiatric disorders.
  • Understanding these disturbances is crucial for diagnosis and treatment.
  • Previous research has yielded varied findings.

Purpose of the Study:

  • To systematically review and meta-analyze the literature on sleep patterns in psychiatric disorders.
  • To identify common and distinct sleep alterations across different psychiatric conditions.
  • To compare sleep variables between psychiatric patient groups and healthy controls.

Main Methods:

  • Literature search across multiple databases for relevant studies.
  • Inclusion of 177 studies encompassing 7151 patients and controls.

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  • Statistical meta-analysis to combine and evaluate data from diverse studies.

    • Main Results:

    • Most psychiatric groups exhibited significantly reduced sleep efficiency and total sleep time.
    • Non-rapid eye movement sleep was primarily affected, showing decrements.
    • Rapid eye movement sleep time was preserved, with increased percentage in affective disorders.
    • Reduced rapid eye movement sleep latency was observed in affective disorders and other categories.
    • Affective disorders demonstrated the most frequent and significant differences in sleep findings compared to controls.

    Conclusions:

    • No single sleep variable is absolutely specific to a particular psychiatric disorder.
    • Distinct patterns of sleep disturbances are associated with categories of psychiatric illnesses.
    • Sleep alterations, particularly in affective disorders, warrant further investigation for clinical implications.