I try to wake her up to feed, but when she does sometimes it don't work, and I just wait for her to get up. I don't wanna feel like a bad parent. .

I never woke my baby at night to feed. now she's a champ sleeper at night. I would feed on demand at night. my daughter had to get woken up during the day to eat because she was jaundice and really sleepy like 24/7 for almost the first month and a half

it's up to you and your preference. I personally feed on demand and that's what works for us.