Narcolepsy Quiz

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Shohei Harase

Shohei Harase, MD (Neurology)

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Learn more about Narcolepsy

Content updated on Nov 2, 2022

What is narcolepsy?

Narcolepsy is a chronic sleep disorder resulting in excessive daytime drowsiness. The cause is unclear but may be genetic factors and abnormal signaling in the brain. It presents with sudden attacks of sleep, loss of muscle tone and possibly hallucinations.

Symptoms of narcolepsy

  • Whole body suddenly goes limp when laughing or with strong emotions

  • Episodes of sudden, overwhelming sleepiness in the daytime

  • Excessively sleepy or falling asleep in the day

Questions your doctor may ask to check for narcolepsy

Your doctor may ask these questions to diagnose narcolepsy

  • Does your whole body suddenly go limp when laughing or with strong emotions?

  • Do you have episodes of sudden, overwhelming sleepiness in the daytime?

  • Do you often feel sleepy, doze off or take naps in the day?

Treatment for narcolepsy

There is no cure for narcolepsy, medications (stimulants, cogntive-enhancing medication and anti-depressants) and lifestyle modifications can help manage symptoms.

View the symptoms of Narcolepsy

  • Sleepy all day


  • Bassetti CLA, Adamantidis A, Burdakov D, Han F, Gay S, Kallweit U, Khatami R, Koning F, Kornum BR, Lammers GJ, Liblau RS, Luppi PH, Mayer G, Pollmächer T, Sakurai T, Sallusto F, Scammell TE, Tafti M, Dauvilliers Y. Narcolepsy - clinical spectrum, aetiopathophysiology, diagnosis and treatment. Nat Rev Neurol. 2019 Sep;15(9):519-539. doi: 10.1038/s41582-019-0226-9. Epub 2019 Jul 19. PMID: 31324898.

  • Scammell TE. Narcolepsy. N Engl J Med. 2015 Dec 31;373(27):2654-62. doi: 10.1056/NEJMra1500587. PMID: 26716917.

  • Hanin C, Arnulf I, Maranci JB, Lecendreux M, Levinson DF, Cohen D, Laurent-Levinson C. Narcolepsy and psychosis: A systematic review. Acta Psychiatr Scand. 2021 Jul;144(1):28-41. doi: 10.1111/acps.13300. Epub 2021 May 5. PMID: 33779983; PMCID: PMC8360149.

Reviewed By:

Shohei Harase

Shohei Harase, MD (Neurology)

From our team of 50+ doctors

Just 3 minutes.
Developed by doctors.

Ubie is supervised by 50+ medical experts worldwide

Shohei Harase

Shohei Harase, MD


Kameda Medical Center, Japan

Yu Shirai

Yu Shirai, MD


Yotsuya Yui Clinic, Japan

Yoshinori Abe

Yoshinori Abe, MD

Internal medicine

Co-founder of Ubie, Inc.

Rohini R

Rohini R, MD

Ear, nose, throat (ENT)

Bayshore Health Centre, India

Seiji Kanazawa

Seiji Kanazawa, MD, PHD

Obstetrics and gynecology (OBGYN)

National Center for Child Health and Development, Japan

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