Hypersomnia due to a medication or substance

Definition

Hypersomnia due to a medication or substance is characterised by excessive nocturnal sleep, daytime sleepiness, or excessive napping that is attributable to the sedating effects of medications, alcohol, or other psychoactive substances, including withdrawal syndromes (e.g., from stimulants) and is sufficiently severe to constitute an independent focus of clinical attention. Note: A definitive diagnosis requires use of polysomnography and multiple sleep latency test (MSLT) to rule out other hypersomnolence disorders or other sleep disorders (e.g. obstructive sleep apnea) which might better explain the sleepiness.

Inclusions

• Hypersomnia due to substances including medications

Also indexed as

Nearby in Hypersomnolence disorders

• 7A20Narcolepsy
• 7A21Idiopathic hypersomnia
• 7A22Kleine-Levin syndrome
• 7A23Hypersomnia due to a medical condition
• 7A25Hypersomnia associated with a mental disorder
• 7A26Insufficient sleep syndrome
• 4B4YOther specified diseases of the immune system
• 4B4ZDiseases of the immune system, unspecified