DOES (Disorders of Excessive Somnolence) Definition

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DOES (Disorders of Excessive Somnolence): Disorders characterized by hypersomnolence during normal waking hours that may impair cognitive functioning. Subtypes include primary hypersomnia disorders (e.g., IDIOPATHIC HYPERSOMNOLENCE; NARCOLEPSY; and KLEINE-LEVIN SYNDROME) and secondary hypersomnia disorders where excessive somnolence can be attributed to a known cause (e.g., drug affect, MENTAL DISORDERS, and SLEEP APNEA SYNDROME). (From J Neurol Sci 1998 Jan 8;153(2):192-202; Thorpy, Principles and Practice of Sleep Medicine, 2nd ed, p320)

Synonym: secondary hypersomnolence disorder, recurrent hypersomnia, primary hypersomnolence disorder, hypersomnolence disorder, hypersomnolence, hypersomnia, excessive somnolence disorder, doess (disorders of excessive somnolence), disorders of excessive somnolence.