mainly on my side doesn't matter which way, often with a hand under the pilllow..oh unless it's cold then i sorta go into coffin type thing (holding the quilt with crossed arms if you get what i mean)
a pillow between my legs.
On my stomach, with one leg out of the cover. Always need to be hugging a teddy or a pillow when falling asleep too.
now theres an image that so many people would love to see
not me of course, i just meant in general