Quote Originally Posted by hitmandonny View Post
I woke up at 5.30am this morning.

I couldn't feel my arm from my elbow down to my fingers.
I thought it had become numbe from the weight of my body lying on it, but then I trried to move the fingers and they wouldn't move. It tok quite a while to get the movement and feeling back.

I'm sick also at the moment, so this is scary.
It can lose mobility not just numbness if you sleep on it long enough. I somehow slept once with arm curled round the back of my head (like for a tricep stretch) and under my weight, I got up and my whole arm just flopped over with no feeling whatsoever. I often sleep on my arm and sometimes I wake up with it numb, but I can feel the blood flowing again evemtually so I don't think it's something to worry about.