Insomnia Due to Mental Illness

Shelby Freedman Harris, R. Monderer

Research output: Chapter in Book/Report/Conference proceedingChapter


When insomnia is clearly caused by an underlying mental disorder and exists solely in the presence of a psychiatric disorder, it has traditionally been viewed as secondary and is labeled insomnia due to mental disorder (IMD). The insomnia, however, is not simply occasional disturbed sleep and must be considered significant by the patient with daytime impairment. Recent research suggests, however, that IMD is not necessarily a disorder that falls secondary to psychiatric illness. Instead, insomnia is now viewed as a comorbid illness that often requires its own specific intervention.

Original languageEnglish (US)
Title of host publicationEncyclopedia of Sleep
PublisherElsevier Inc.
Number of pages6
ISBN (Electronic)9780123786111
ISBN (Print)9780123786104
StatePublished - Jan 1 2013


  • Anxiety
  • Cognitive behavioral therapy
  • Comorbid
  • Depression
  • Insomnia
  • Primary insomnia
  • Psychiatric disorders
  • Secondary insomnia
  • Sleeplessness

ASJC Scopus subject areas

  • Medicine (miscellaneous)


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