> Anyway, I'm posting here to find out if anyone here has any experience with this sort of thing. Is this relatively common? Was it probably just caused by my getting up to quickly after having lain down for four hours? Or should I be worried about this?
>
> Don "Not too worried. But kind of worried. If that makes sense." Monkey

I don't know about anyone else, but that happens to me all the time. Nearly every time I rise from a prone position, I get that weird blacking-out feeling. Sometimes it's worse than others. I called my mother the first time it happened, and she said it was a deficiency of potassium. She told me to eat a banana. But then, that's my mother's answer to fevers, nausea, joint pain, et cetera. Judging from the symptoms I usually have(blacking out briefly, often resulting in bruises from bumping into things), I would guess that it's a lack of oxygen in the brain. It never happens after I yawn, I've found. And it happens most in the summer, when I sometimes forget to eat. Therefore, I would say that it's a mixture of an oxygen-deficient brain and an empty stomach. But who knows? A banana may help.

Hi"I'm not worried: I haven't died yet, have I?"ri