I have a 4 wk old DD, so we're in the same boat. I also did BW with my DS when he was a newborn, and like Beca said, they really don't get into a routine until 6-8 wks. Until then, you basically just try to stick with consistent feeding times during the day, waking from naps or feeding earlier if needed. I also try to make sure she doesn't fall asleep while feeding, even if it means she just opens her eyes for a few seconds after eating. And unsettled cranky periods are totally normal, it just sucks when they happen during the night! At this age, it's almost like they have 2 dreamfeeds...that one at 8 and the one at 11. Once they start having more A time, it will become more like cluster feeding, KWIM?