Narcolepsy Statistics

(Also Known As: Insomnia Statistics, Narcoleptic Statistics)

(Reviewed by: Paul Peterson, Licensed Therapist)

Statistics on Narcolepsy

  • Narcolepsy is estimated to affect 1 in every 2,000 Americans.
  • 40% of narcoleptics experience automatic behavior during sleep episodes.
  • About 10% of narcoleptics reportedly have a close relative with the same symptoms.
  • The prevalence rate of narcolepsy in Israel is lower at 1:500,000 and is quite higher in Japan at a ratio of 1:600.
  • Cataplexy occurs in 70% of narcoleptics.
  • Only 10% to 25% of narcoleptics display all four major symptoms of narcolepsy: hallucination, cataplexy, extreme daytime sleepiness, and sleep paralysis.
  • 50% of narcoleptics have hypnagogic hallucinations.
  • Cataplexy is the first symptom to appear in 10% of narcolepsy patients and often misdiagnosed as seizure disorder.
  • 3 million are affected by narcolepsy worldwide
  • 8% – 12% of narcoleptics have close relatives with a neurological disorder.

Could You Have Narcolepsy?

Narcolepsy Topics

Related Conditions

Dyssomnia – Difficulty Remaining Asleep, Disturbed Quantity and Quality of Sleep
Hypersomnia – Excessive Daytime Sleepiness, Prolonged Nighttime Sleep, Repeated Daytime Naps
Parasomnias NOS – Abnormal Movement When Sleeping, Abnormal Emotion and Behavior During Sleep, Sleepwalking, Bruxism, Sleep Terror Disorder, Nightmare Disorder