Girls, what will happen, I'm sitting here worrying. I go to bed at 3–4…

Girls, what will happen, I'm sitting here worrying. I go to bed at 3–4 a.m., wake up early in the morning because it's uncomfortable to sleep, then fall asleep again and wake up at 3–4 p.m. In short, I don't eat for almost the whole day, and then I eat a lot. I'm worried that the baby doesn't eat for almost the whole day, what will happen(