Katie talks to pediatrician and child development expert, Dr. Harvey Karp (author of "The Happiest Baby on the Block," "The Happiest Toddler on the Block," "The Happiest Baby Guide to Great Sleep," and creator of the SNOO). Dr. Karp explains his 5 S's for soothing babies and answers questions from listeners about how to help a baby sleep through the night, sleep training, and how to get a child to sleep in their own bed.