My baby cant sleep on the back. He is fuzzy, arching his back, start to cry. Why?

my son does that when he has a burp stuck

My son squirms alot in his sleep. So I swaddle him and it works...he will only squirm and move around when hes ready to wake up.

Also make sure he burps good after feeding

Or she, sorry @babyboy1202

He can sleep on his side or stomach as long as you watch him closely, he may be more comfortable. My 5 month old son rarely sleeps on his back

@princessmommy, mine is only 5 weeks.