cataplexy

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cataplexy

[′kad·ə‚plek·sē]
(medicine)
Sudden loss of muscle tone provoked by exaggerated emotion, such as excessive anger or laughter, often associated with a profound desire for sleep.
Prostration by the sudden onset of disease.
Hypnotic sleep.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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