molly sleeps with me and weighs about 4.3lbs too! she likes to be on my legs if i'm on my back but i usually move her cuz that isn't comfortable so she then goes behind my knees in the crook. she jumps off the bed with ease but i probably should put something so its not as far of a jump. She has never fallen off and i have never rolled over on her...she's my little sleeping buddy
