Weird. Is it possible that I ped out?

Today I was sitting on a beanbag chair in front of the TV. I got up (probably too fast) to turn off the TV (I wasn't standing up, but standing on my knees) and my vision started to blacken and I got really dizzy. Then all of a sudden I saw the carpet on the ground. I remember being conscious, just not very well. I remember thinking about something really weird...but I can't remember what it was. I couldn't get up for a while, so I just lay there staring at the carpet until I could get up. I've been getting dizzy sometimes for the past few weeks and I'm wondering what could be the cause of it.