Completely normal, try and remember it’s just a phase that will end x
They might be going through a growth spurt and need the extra milk. Tbh I’d kill for my baby to only wake once a night.
It goes back to normal after a few days/weeks mine did the same for about two weeks and now is going back and only waking up once maximum
We had this and she now wakes twice for a feed. No answers for you other than to let you know I think it’s fairly normal. I also didn’t appreciate it whilst we had it 🙈