Mine is 1.5 months.
The last milk at night is 11:00 or 11:30pm-he drink 130-150ml.
Bb wake up in every 4H normally which mean he will wake up 3 in the morning next. We will feed him water, he drink 10ml every time and sleep back. Then he wake up around 6:00 or 6:30 and we will feed him back milk. Hope he can sleep right away from 11:00pm till 6:00am.