General Question

mjoyce's avatar

Why does putting a sleeping persons hand in water cause them to pee?

Asked by mjoyce (503points) November 12th, 2008

I am looking for medical reasons that this hilarious prank occurs.

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3 Answers

ArchaicLion's avatar

No one agrees from a medical standpoint as far I’m aware. The argued theory is that it is caused by a nervous system trigger.

I’ve read that immersion diuresis causes it, but wiki disagrees. Most likely it has to do with the parasympathetic nervous system. I could only find one article, not the one I wanted but it works. sort of the same idea

ArchaicLion (103points)“Great Answer” (1points) Flag as…
cdwccrn's avatar

why do you want to know?

cdwccrn (3620points)“Great Answer” (0points) Flag as…
richardhenry's avatar

@cdwccrn: Hey, I’m interested.

richardhenry (12692points)“Great Answer” (0points) Flag as…

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