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laughing or smiling causes falling

Hello everyone! I couldn’t find the right section, so hopefully someone will be able to move my topic to a right place.
I’m looking for a syndrome/disorder name. Here is the information that I know about it: when a person starts laughing or maybe even smiling, the nerves of the whole body get weak and the person falls down.
My friend said that he watched a TV program couple of years ago in the UK that showed a girl who had this disorder. She would fall down when she started laughing and also fall asleep many times in a middle of a day. My friend doesn’t remember anything else.
Any information would be helpful.
Thank you.
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replied November 20th, 2007
Extremely eHealthy
Is it narcolepsy?
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replied November 20th, 2007
Maddie34 wrote:
Is it narcolepsy?


Just looked up the definition for narcolepsy and here is what it says:

"Four other classic symptoms of narcolepsy, which may not occur in all patients, are cataplexy, sleep paralysis, hypnogogic hallucinations, and automatic behavior. Cataplexy is an episodic condition featuring loss of muscle function, ranging from slight weakness (such as limpness at the neck or knees, sagging facial muscles, or inability to speak clearly) to complete body collapse. Episodes may be triggered by sudden emotional reactions such as laughter, anger, surprise, or fear, and may last from a few seconds to several minutes."

I think that's what it's called. Thank you very much!

If there are other similar disorders, please post them here as well. Thank you.
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replied November 20th, 2007
Extremely eHealthy
No problem Smile
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