My DS is now 3 and still sleeps in his gro bag (18-36 months). He's never really slept with anything else on but the grow bag (and some night clothes under the bag of course lol), except in summer on really hot days where I put a flat sheet over him (which always got kicked off). I really want him to get used to sleeping under a proper little doona when he goes into his big boy bed soon. How do I go about it when he kicks everything off? He's a hot bod like his dad, whenever he ends up with us he often kicks off the doona while I'm freezing! Any advice would be greatly appreciated