My baby insists she sleeps like this and it scares the crap out me she's to smart for her own good though I kept pulling it down n she was getting pissed n I said I'm sorry baby girl but u can't breathe she took the blanket pulled it up down up down up down up down she shut me up n proved me wrong quick lol smarty.
My little girl did the same I had too put a pillow one of my shirts and one of her daddy's shirts rolled up on 2 blankets behind her and I front of her a toy in her arms and a thing that played music and vibrated just to get her to take a nap and sleep at night and some times she insisted on sleeping in her swing
My 4 year old has slept with his blanket over his face since he was a couple months old. Scared me so much when he was little. Just keep an eye on baby.