Sleeping through the night

So Joe and I have decided that we are going to just let Haley tell us what to do. The doctor originally wanted us to wake her every 3 hours and not let her go more than 5 hours. Well, she was miserable, not eating alot and a bear to feed. We switched the nipples and what an improvement that was and then we woke her up at 6 hours of sleeping and she was miserable to feed, so the next day we let her sleep. She slept 8 and a half hours and was happy as can be when I went in to get her and ate just fine! So we are letting her sleep and treating her like a baby and not a preemie....she is drinking around 24-26 ounces so she is right where she should be!