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How Common Is Insomnia?

Insomnia is very common and can affect people at any stage in life. It affects up to 10 to 15 out of 100 adults.1 It is more common in women and older people.

One study reported that about 20 out of 100 children has insomnia.2


  1. Fogel J (2003). Behavioral treatments for insomnia in primary care settings. Topics in Advanced Practice Nursing eJournal, 3(4).
  2. Archbold KH, et al. (2002). Symptoms of sleep disturbances among children at two general pediatric clinics. Journal of Pediatrics, 140(1): 97–102.
By Healthwise Staff
Primary Medical Reviewer Anne C. Poinier, MD - Internal Medicine
Specialist Medical Reviewer Lisa S. Weinstock, MD - Psychiatry
Last Revised December 1, 2011

Last Revised: December 1, 2011

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