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Somnolence (or "drowsiness", or "hypersomnia") is a state of near-sleep, a strong desire for sleep, or sleeping unusually long periods. It has two distinct meanings, referring both to the usual state preceding falling asleep, and the chronic condition referring to being in that state independent of a circadian rhythm. The disorder characterised by the latter condition is most commonly associated with users of prescription hypnotics, such as Mirtazapine or Zolpidem. It is considered a lesser impairment of consciousness than stupor or coma.
Associated conditions Some antidepressants. For example: sertraline and venlafaxine. some antipsychotics. For example: thioridazine but not haloperidol. some analgesics; prescribed or illicit opiates such as Oxycontin or heroin some HIV medications. For example: sustiva and medications containing efavirenz some anti-convulsants/Antiepileptic For example: phenytoin (Dilantin), carbamazepine (Tegretol), Lamotrigine (Lamictal) (see article on Epilepsy.com) some antihistamines For example: diphenhydramine (Benadryl) generally many other agents with impact on central nervous system in sufficient doses See also | ||||||||
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