Mmmmmmmmmmmmm..... Fetal position...... * Slams head out of the gutter*

Yes this is the most common sleeping position. If you didn't know most of the time you curl up like that in your sleep. Have you ever noticed that the covers wherre kicked off o fyour bed at night. that is from you kicking around comming out of the position. But yeah I can see ho that woudl work for you mainly becasue it is the position we were born from!