Narcolepsy (Sleep Disorder) | Causes, Pathophysiology, Signs & Symptoms, Diagnosis, Treatment

The video tutorial provides a comprehensive overview of narcolepsy, a chronic disorder of REM sleep characterized by excessive sleepiness and rapid lapses into REM sleep. It discusses the types of narcolepsy, their etiology, prevalence, and risk factors. The pathophysiology section explains the role of hypocretin neurons and potential autoimmune triggers. Clinical features such as cataplexy, sleep paralysis, and hallucinations are detailed. Diagnosis involves sleep studies and DSM-5 criteria. Treatment options include both pharmacologic and non-pharmacologic approaches.

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