Spits at night

Aww sorry your having a tough time, my 3 weeks old does it occasionally but only a bit comes up and she turns her head to the side and doesn’t choke, they know what to do but I’m like you and I’ll run to her if I here something and quickly get her up

They tend to know to turn the heads to the side to get rid of it. You can also slightly elevate their cot so it’s at a slight angle x

My little one did this while in the hospital at just a few days old and the nurses told us it was amniotic fluid that can sometimes get a little stuck in their lungs. (Totally normal). She gave us one of those nose squeezies (I'm so sorry I can't think of the real name) that you can use to remove boogers, and told us to use they to remove it from the side of her mouth by cheek (not in the back or on lips etc) and nose when needed but not to overdo it since their little noses can be sensitive. And then she slept in an elevated cot for those first several days which also helped.

I know my son would spit up in his sleep but babies are very good at not choking on their vomit! Like, their bodies are programmed more than adults are.