How many hours can a baby sleep without feeding? Feeding frequency can be very confusing given the many conflicting pieces of advice. While some sources will say babies can sleep through the night by 8 weeks old, others will say once your baby doubles their birth weight. This post will discuss this topic so you can make the best decision for your baby and your family. But before getting to the main point, let’s have a look at some basics about baby’s sleep and feeding: Basics About Baby