Courtney Landin is a certified Sleep Science Coach specializing in baby sleep. She has helped hundreds of families get better sleep through parent-assisted methods that help child ...ver maisCourtney Landin is a certified Sleep Science Coach specializing in baby sleep. She has helped hundreds of families get better sleep through parent-assisted methods that help child learn to sleep. She is educated in infant mental health along with being a top ranked sleep consultant in the U.S and Sweden.ver menos