With my first baby, my midwife strongly encouraged me to wake him every two hours to eat. My best friend did this with her first baby (who, like my son, is an awful sleeper), but with her second, she decided not to. He grew just fine, and is a champion sleeper. He's amazing.
I was just wondering what you did, if anyone had told you to do this, and whether you think it affected your baby's sleep habits. I'm expecting my second in the fall, and am thinking about following my only definitive household rule--never wake a sleeping baby!