12 hours without eating

Does anyone’s little ones (formula fed) go 12 hours a night without eating? If so, when did they start? I was thinking about starting to wean his one night feed (he eats 4 oz at about 4am), but I was reading online that most babies are developmentally and neurologically ready to go 12 hours without eating between 4 and 6 months old, so now I think I should wait and talk to his doctor. Just looking for others’ experiences!