SLEEP · 2012 · 214 citations · 39 references
Objective (HLA typing, MSLT, and sleep studies) more than subjective (sleepiness and sleep paralysis) features predicted low concentration of CSF hypocretin-1 in patients with narcolepsy without cataplexy.
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A New Method for Measuring Daytime Sleepiness: The Epworth Sleepiness Scale
Murray W. Johns · SLEEP · 1991 · 16.8K citations · Full text
The International Classification of Sleep Disorders
Robert B. Daroff · Neurology · 1991 · 5K citations