So tired. Advice needed

September

I have two kids one is 2 years old the other is almost a month old. I'm a stay home mom and I don't really get much help from their dad especially at night.

Lately Ive noticed that it takes me a while to get up when my baby cries for food at night and it makes me feel bad that I can't just snap out of it

Anyways does anyone have any advice or tips to have more energy? Once I'm awake I'm good for the day but I can't wake up at night.