Johns Hopkins Psychiatry Guide

Insomnia Disorder

Jean Gauvin, Ph.D., M.D., David Neubauer, M.D.
Insomnia Disorder is a topic covered in the Johns Hopkins Psychiatry Guide.

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  • Insomnia is described as dissatisfaction with sleep quality or quantity associated with difficulty initiating or maintaining sleep or with early morning awakening [1] [2].
  • Complaints often include taking longer than 30 minutes to fall asleep, staying asleep for less than 6 hours, repeated or extended awakenings, or experiencing sleep that is chronically nonrestorative or poor in quality [3] [4] [5].
  • Insomnia disorder is classified under the Sleep-Wake Disorders section of the Diagnostic and Statistical Manual of Mental Disorders, 5th Edition (DSM-5) [6].

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Last updated: October 15, 2014