D2I2.
neurological

Narcolepsy

Narcolepsy is a disorder that impairs the ability to regulate sleep–wake cycles, and specifically impacts REM sleep. The symptoms of narcolepsy include excessive daytime sleepiness (EDS), sleep-related hallucinations, sleep , disturbed nocturnal sleep (DNS), and cataplexy. People with narcolepsy typically have poor quality of sleep.

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Symptoms — what it feels like

  • ·Excessive daytime sleepiness, involuntary sleep episodes, sudden loss of muscle strength, hallucinations

Causes — why it happens

  • ·Orexin

How it's found

  • ·Based on the symptoms, sleep studies(PSG + MSLT) NT1: testing and/or lumbar puncture

Treatment

  • ·Medication, regular short naps, sleep hygiene

Complications

  • ·Motor vehicle collisions, falls
Plain-language summary adapted from Wikipedia. Not medical advice.