Insomnia means not being able to sleep well. Short-term or temporary insomnia is very common and usually isn't a problem. Chronic insomnia lasts a month or longer. It can be caused by other problems, like depression, chronic pain, medicines, or poor sleep habits.
|Primary Medical Reviewer||Anne C. Poinier, MD - Internal Medicine|
|Specialist Medical Reviewer||Lisa S. Weinstock, MD - Psychiatry|
|Last Revised||October 9, 2012|
WebMD Medical Reference from Healthwise