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Narcolepsy and excessive daytime sleepiness: diagnostic considerations, epidemiology, and comorbidities
1Department of Psychiatry, University of Wisconsin School of Medicine and Public Health, Madison, WI 53719, USA. rmbenca@wisc.edu
Abstract:
Narcolepsy is a chronic, neurologic disorder that has severe disabling effects on affected patients. It usually becomes manifest between the ages of 10 and 25 years and is recognized by a tetrad of symptoms that includes excessive daytime sleepiness, cataplexy, sleep paralysis, and hypnagogic hallucinations. Excessive daytime sleepiness is common and associated with a broad range of medical, sleep, and psychiatric disorders; therefore, accurate diagnosis of narcolepsy and comorbid disorders is important for optimal treatment response.
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