Stephen J. Schueler, M.D.

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Cataplexy Symptoms

Excessive daytime sleepiness is the most common symptom of narcolepsy. Many people with narcolepsy fall asleep suddenly, without warning.

Symptoms of narcolepsy include:

  • Excessive daytime sleepiness
  • Sudden episodes of falling asleep without warning
  • Cataplexy:
    • Sudden onset of weakness and falling to the ground
    • Sudden loss of muscle tone
  • Hypnagogic hallucinations:
    • Vivid dreams while falling to sleep
  • Sleep paralysis:
    • Sensation that muscles are paralyzed while falling to sleep
  • Difficulty sleeping:
    • Frequent awakenings
    • Disrupted nocturnal sleep

Continue to Cataplexy Evaluation

Last Updated: Dec 21, 2010 References
Authors: Stephen J. Schueler, MD; John H. Beckett, MD; D. Scott Gettings, MD
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PubMed Cataplexy References
  1. Black JE, Brooks SN, Nishino S. Narcolepsy and syndromes of primary excessive daytime somnolence. Semin Neurol. 2004 Sep;24(3):271-82. [15449220]
  2. Dodel R, Peter H, Walbert T, Spottke A, Noelker C, Berger K, Siebert U, Oertel WH, Kesper K, Becker HF, Mayer G. The socioeconomic impact of narcolepsy. Sleep. 2004 Sep 15;27(6):1123-8. [15532206]
  3. Dyken ME, Yamada T. Narcolepsy and disorders of excessive somnolence. Prim Care. 2005 Jun;32(2):389-413. [15935192]
  4. Lockrane B, Bhatia P, Gore R. Successful treatment of narcolepsy and cataplexy: a review. Can Respir J. 2005 May-Jun;12(4):225-7. [16003460]
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