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cataplexy

   Also found in: Dictionary/thesaurus, Medical, Wikipedia 0.01 sec.
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.
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Very low amounts of the excitatory neurotransmitter hypocretin in the central nervous system (CNS) is thought to play a role in sleepiness and cataplexy in people with narcolepsy.
Narcolepsy and neurotransmitters by Patrick, Regina / FOCUS: Journal for Respiratory Care & Sleep Medicine
Like many narcoleptics, she has also had to deal with the associated problem of cataplexy, when a person suffers a complete collapse triggered by sudden laughter, anger or surprise.
I won't let sleeping illness rule my life by South Wales Echo (Cardiff, Wales)
Kay suffers cataplexy - a sudden weakening of the muscles brought on by strong emotions.
Don't make me laugh.. I'll collapse; DISORDER by The Mirror (London, England)
 
 
 
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