Hi my ds is waking again in the night. I know its been hot so done mind but now getting cooler again. He is crawling up the bed down the bed. Rolling over getting his legs stuck arms stuck. so waking him self up. How do you stop him moving. was in fleecy sleeping bag with arms he couldnt move so much but now to hot. Tried cotton sleeping bag no arms but didnt like it. please please help just not used to it any more