Addie doesn't. once she is sleeping...she'll only wake up IF there is food involved or someone at the door. not Hammie...I move...he moves. I step on the porch, he does. I step back in, he does. it's kind of sad cause I move around alot. lol he no sooner gets all comfy....and I'm in another room.....so OF COURSE he is. poor guy....just can't stand to be alone.