How common is insomnia?

Insomnia is very common and can affect people at any stage in life. In fact, it affects up to 10% to 15% of adults.1

One study reported that about 1 out of 5 children has insomnia.2 It is more common in women and older people.


  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.

Last Updated: January 4, 2010

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