Fully agree— routine is important starting around 4-6 months. As is often said, well rested babies sleep better. I also recommend “Happiest Baby on The Block”

Fully agree— routine is important starting around 4-6 months. As is often said, well rested babies sleep better. I also recommend “Happiest Baby on The Block” by Harvey Karp. Read one or two of these types of books but don’t go overboard.