Sleep training doesn't have to mean "cry it out." Pediatric sleep guru Xan Coffman is busting the biggest myths about baby sleep, the truth about the dreaded 4-month sleep regression, why overtired babies actually sleep worse, and the science-backed methods that help babies (and parents) finally get a full night's rest. Plus, Xan shares her best travel sleep hacks, how to fix those brutal See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.