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
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| 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 |