Everything goes black?

Question

Why does everything go black when I stand up suddenly? Is it because everything is really black and you only see it when you stand up?

Answer 1

yep, you got it in one, you're a real little philosopher.

Answer 2

Probably a combination of low blood sugar and sitting in one position for too long then standing up suddenly.

Answer 3

It is what's commonly known as a head-rush. It's generally caused by a slight dip in blood pressure. I've had that for about 7 years now. Its nothing in particular to worry about. Its more common if your a bit dehydrated and if you're tall. Here, have a look at this link: http://en.wikipedia.org/wiki/Head_rush It explains it well:)

Answer 4

It is just low blood pressure. It happens to a lot of people. Don't worry about, try not to stand suddenly and you'll be ok.

Answer 5

This sounds like epilepsey or colour blindness
Epilepsesy= when you see bright lights or something bright suddenly it goes black

colour blindness= you see dolours as different colours: blue=red green=black; yellow=red

Answer 6

because you come close to fainting, try eating some green vegetables and also stand up a little slower. I think it is to do with the blood flow to your head.

Answer 7

Low blood pressure. Try ayran. Natural yogurt mixed with iced water and plenty of salt. You can probably get it at your local kebab cafe ready prepared.

Answer 8

Blood pressure. When mine is high I feel head pressure. I also feel it pulse when its out of wack.

Answer 9

that happens to me somtimes
i think its because you've been sitting down for too long and your body needs to wake up

Answer 10

you stand up too fast

Answer 11

See your doctor