My baby girl is almost 5 weeks old, she was born 9lb3oz and is probably around 10-11lb now and she sleeps very well at night and is awake during the day but sometimes at night she won’t wake for her feedings so she sleeps any where between 3-4 hours and maybe once or twice a week will sleep 5 hours at the most but is that bad? I mean she’s gaining weight and poops often and pees often. Sometimes I worry though.