The 4-month sleep “regression”
What is the 4-month sleep regression? Is there such a thing as a 4-month breastfeeding crisis? Throughout the breastfeeding journey, there are many moments of change. In fact, the baby’s entire first year brings many changes. When babies are born, their brain still needs to learn a great lot of things, as they are biologically very immature. They need to learn so many things, such as talking, sitting, walking… and one of the big things they have to learn is…