Sleep Medicine Reviews
Volume 5, Issue 5 , Pages 365-376, October 2001

Beta EEG activity and insomnia

  • Michael L. Perlis

      Affiliations

    • Department of Cognitive and Social Psychology, University of Rochester
    • Correspondence should be addressed to: Michael L. Perlis, PhD, Sleep Research Laboratory, Department of Psychiatry, University of Rochester, 300 Crittenden Blvd., Rochester, NY 14642, USA. E-mail:Michael_Perlis@URMC.Rochester.edu; Web Site:www.urmc.rochester.edu
    • ,
  • Helli Merica

      Affiliations

    • Neurophysiology Unit, Department of Psychiatry, Geneva University Hospital, Switzerland
    • ,
  • Michael T. Smith

      Affiliations

    • Sleep Research Laboratory, Department of Psychiatry, University of Rochester
    • ,
  • Donna E. Giles

      Affiliations

    • Department of Neurology, University of Rochester, USA

Abstract 

To date there have been seven studies which find that beta EEG is elevated at around sleep onset and during polysomnographic sleep in patients with insomnia. These findings suggest that insomnia may be characterized by central nervous system (CNS) hyperarousal. In this article, the seven studies are critically reviewed, two theoretical perspectives on beta EEG are presented, and the concept of hyperarousal as a three component process is discussed.

Keywords: Sleep, insomnia, polysomnography, power spectral analysis, beta, EEG

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PII: S1087-0792(01)90151-0

doi:10.1053/smrv.2001.0151

Sleep Medicine Reviews
Volume 5, Issue 5 , Pages 365-376, October 2001

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