my boy baby weight is 2.5. now 3.5 month 6.6 kg weight.i feeding for 2hrs once in day and night 3 hrs once. my sister told me feed 3hrs once or while baby is crying. I don't know when baby was hungry. give me any clue to hunger.my baby coughing while breastfeeding due to fast flow so I mostly i feed him while sleeping. it's ok to feed after sleeping. he feed for 5mins while awake and while sleeping 10mins.