Fetus.

But I suppose when you're sleeping like that for 9 months straight, you develop that habit.

Fetus, Freefaller, and Starfish.

Soldier. However, I slept in the Yearner position for years as a kid, except I was hugging a pillow. So now even though I sleep face-up, I still put a pillow on top of me and hug it.

Yearner

Fetus.

I love sleeping like this SO COMFY.