Cant sleep

We just started doing half a night in crib and half a night bed sharing in our room. Our son is 6 mos and just started to roll, lately he’s been doing the thing where he buries his face in the bedding and even does it in his crib I obviously can’t sleep because I’m so nervous he’ll suffocate doing this.Not as nervous when he’s in his crib because of the firm mattress, but we do follow bed sharing safety to a T. I’m a new mom and I get so anxious that by the time he’s moved to our bed is the only time I can get some sleep. Please offer advice on what I should do and if anyone experienced this with their LO. Thanks via /r/Parenting https://ift.tt/3m3xXRW