Typically I fall asleep on one of my sides; the right is more common but I typically toss and turn and sometimes it's on the left. My right arm's tucked under the pillow most of the time. When I wake up, I'm either on my back or on the right side.
Never slept with any stuffed animals, even as a kid. I need a quilt over me to sleep, though. Even in the summer. :( And I always have a fan running. I should turn it off during the day/when I'm gone, but I forget. It's nice having some white noise when I'm sleeping.