Girls, share your experience if anyone has encountered it. We're six …

Girls, share your experience if anyone has encountered it. We're six months old now, starting at two months old, we constantly get a stuffy nose when sleeping (if we wear it vertically, everything is ok). So we first thought we had an infection and the pediatrician prescribes different drops, suction, we do all this and with suction, everything comes out, but usually nothing really comes out. Then the second pediatrician says that it's from the stomach mucus that gets thrown into the nose when he vomits in his sleep, so we do all the vomiting, mom sits on a diet. We definitely wear for 5-10 minutes after every feeding, even if they sleep. That way, the last three days have been terrible