Insomnia: Symptoms, Causes, and Treatments - Sleep Foundation
https://www.sleepfoundation.org/insomnia
Insomnia is a sleep disorder characterized by difficulty falling asleep, staying asleep, or both, even if you have ample time and a bedroom environment conducive to restful sleep. An insomnia diagnosis requires these sleep troubles to also cause daytime impairments, such as sleepinessor difficulty … See more
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