Well my son is having apnea event where he "forgets" to breath but his heart rate stays the same but…

Well my son is having apnea event where he "forgets" to breath but his heart rate stays the same but his oxygen drops and he turns blue they r trying to figure out what is going on every test they have taken has came back negative he has a temp of 103.6 they r trying to keep it down his fans on him the temp in his room is the lowest it can go and he dont have clothes on besides a diaper but the apnea events only happen when he gets a temp he has never gotten a temp when he was sick so we don't have a clue what is going on can anyone and everyone please pray for my son he is not going in for surgery tomorrow so it's just a waiting game