one month old eat little each feeding but very often

I think since this morning I have been feeding him every 50mins and he only eats 1oz at a time and falls asleep. He has been eating sleeping all day. He is not awake for his tummy time or playing. He gets milk drunk and I lay him down in his crib and 40-50 min later he cries and looks for milk. My husband and I were going to go out to dinner tonight but it looks like it's not going to happen today 😢