I've never intentionally attempted one, but I guess what happens to me on a semi regular basis counts. I am always lying down, I am usually meditating when I have this queer sensation that my eyes are open while I can still feel them to be shut. I can see the entire room and all the objects in it in perfect detail "through" my eyelids. I will get up, move around, sometimes even do things(like turn on the television). For some reason I never, ever think to look at the bed or couch I just left. When I say move I don't mean walk, it's a different sort of light feeling. If you've ever surfed you'd know it. That sensation of gliding. At some point I will return and open my eyes while I'm seeing everything anyway and whatever I did will be undone(the t.v. will still be off, I never actually made a sandwich). It's weird. I've also never strayed far from the immediate surroundings because things get a little creepy.
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"For of all sad words of tongue or pen, The saddest are these: "It might have been!" -John Greenleaf Whittier
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