Definition: An inability to fall and/or remain asleep.
Pronunciation: in-SOM-nee-ya
Also Known As: sleeplessness, nocternal restlessness
Examples: Once she started having night sweats, her insomnia worsened.
Insomnia
From About.com
Updated: December 13, 2007
About.com Health's Disease and Condition content is reviewed by the Medical Review Board
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