Here's another one of Mikey. Try this one if you dare. (1) Sit on the bed with your legs crossed as if you were doing yoga. (2) Fall straight ahead until your head is on the bed. (3) Start snoring. I would need surgery if I attempted to sleep that way.
Notice that his pajamas are pulled up over his knees and that he is sleeping on top of his blankets. We put him under the blankets at one point but he won't stay under them.
I started a conversation about sleep positions on Downsyn.com and it seems like a lot of our kids like to sleep folded in half.