4 month old help

my 4 month old goes to be every night around 7/7:30 with a bottle of formula but has a false start and I breastfeed him when he wakes. Normally asleep for good at 9pm. He’s been waking up at 12:30/1, 3/4, 5/6 each night to breastfeed. I’m breastfeeding during the day every three hours, I try for 30 minutes to