[SteveMcKing]

I levitate in my sleep. My whole body floats 2 feet out of bed.

You can only do it on your back for some reason... perhaps the floor gets in the way when you're lying face-down.

[Flavius Josephus]

I used to take off at great speeds when in a state between waking and sleep. Used to terrify the heck out of me because I couldn't break out of it, or at least not without great difficulty.