Insomnia Disorder

Jean Gauvin, Ph.D., M.D., David Neubauer, M.D.


  • 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