Introduction. Narcolepsy and Excessive Daytime Sleepiness: From the Bench to the Bedside

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Narcolepsy is a chronic, neurologic sleep disorder resulting from the dysregulation of sleep-wake cycles.^1,2 Narcoleptic patients experience excessive daytime sleepiness, cataplexy, sleep paralysis, and hypnagogic hallucinations. Narcolepsy is about as prevalent as multiple sclerosis, and can be as disabling in its consequences,³ yet it is underrecognized and underdiagnosed.