this article in the Huffington Post, the author says that they way you sleep tells a lot about your personality. Here I am:
Big surprise there.
In The most common position, the semi-fetal, has sleepers lying on their sides with knees slightly bent, one arm outstretched above the head, the other resting comfortably on the opposing upper arm to cradle the head. Conciliatory, compromising, non-threatening, non-shakers; sleep experts claim this to be the optimal sleep posture position.
Big surprise there.