Sleeping face down

Jessica

My daughter is 4 months old and has been rolling both ways for a while now. She has started rolling onto her belly and sleeping like that except she keeps her face straight down into the mattress instead of turning her head to the side! It really terrifies me. I don’t know how to get her to stop doing this. I have tried turning her head but she just keeps putting it back. Is anyone else going through this? Any advice?