Insomnia Disorder

Lisa Young, B.S., B.A., Aaron I. Esagoff, B.S., Traci Speed, M.D., Ph.D., David Neubauer, M.D.


  • Insomnia is described as the subjective complaint of difficulty initiating, maintaining, or returning to sleep in the setting of adequate sleep opportunity.
  • Insomnia disorder is associated with consequences that affect daytime functioning.
  • Symptoms must occur 3 nights/week and for at least 3 months and not be better explained by another sleep-wake disorder, substance, or mental disorder[1][2].

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Last updated: September 11, 2023