It's 4 am and I still haven't been to sleep! My little one has woken up almost every hour and has…

It's 4 am and I still haven't been to sleep! My little one has woken up almost every hour and has spit up this new formula twice! It's the same brand but the one he's been drinking was newborn and the new one is infant-1 yr! I thought there wouldn't be much of a difference but apparently there is 😫😣