Quote Originally Posted by Mercen-X

As far as holding your breath while you sleep though, I've actually done that by accident. I dreamt that I was underwater so I wasn't breathing. It took me awhile to realize I was dreaming and so I finally started breathing. Otherwise, I probably would've died as there are only two things that happen when you can't breathe, passing out or dying. Since I was already asleep, I doubt passing out would've been an option. Unless you think I'd've just ended up in a coma. Heh. A coma as a result of a nightmare, there's a scary thought.
I've done something similar to that, except I dreamed I was drowning under the ocean when I was actually swallowing my pillow. It was freaky.