What is narcolepsy?

Narcolepsy is a sleep disorder that causes excessive daytime sleepiness.

What are the signs/symptoms?

  • Excessive daytime sleepiness (EDS) or feeling tired all the time
  • Cataplexy—loss of muscle control
  • Sleep paralysis—the feeling of being unable to move or speak though totally aware of environment
  • Disturbed nighttime sleep
  • Low motivation
  • Memory loss
  • Inability to concentrate

Reviewed by: Mercedes Bello, MD

This page was last updated on: 1/29/2019 3:21:13 PM

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