There are many: Schizophrenia alcohol use dementia stroke epilepsy and many others.
Answered 5/7/2016
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Psych: Depression can cause insomnia or hypersomnia or early morning awakening bipolar mania can cause decreased need for sleep schizophrenia may have erratic sleep schedules as do dementia anxiety can cause insomnia.
Answered 8/21/2013
4.9k views
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