what is the explanation of this ?

Question

Hello all .

sometimes when I lay down or sit down for long time and then stand up I feel that the whole world is turning around me and then my vision is turned to black and see nothing for couple of seconds then everything return fine with few pressure in my head, especially the eye. is it a series Issue that I need to worry about or it's ok

Answer 1

Favorite Answer

you just got up too fast, it has something to do with blood flowing either too fast or too slow, but either way, it happens to me sometimes as well and i'm not woried