What, you mean it's possible for them to maybe stay still in bed
Daniel is all over the place - it doesn't bother him (or us) but you never know what position you'll find him in. Heaven knows if we'll ever use the sheets and blankets we bought before he was born. My guess is that one day he'll sort himself out. In the meantime we use a sleeping bag.
I did have a laugh yesterday reading a friend's blog. Their wee girl is NG fed over night and it's a very complex set up. Remarkably she stays in one position and doesn't seem to have issues with the tube coming out. All I could think was "how on earth does she stay still"!