It is best to feed puppies with small meals and frequent meals. At this time, the puppy's gastrointestinal tract is not fully developed and it is not suitable to eat too much at one time.
Care Hacks
Is it okay to not feed a newborn puppy overnight?

It is absolutely not allowed to go without feeding a newborn puppy for one night. The puppy at this time is very fragile and needs to be fed with breast milk. If the puppy is left without food for a long time, it will cause hypoglycemia and death. Therefore, newborn puppies must be placed next to the mother dog to drink milk.