Over the years, as we’ve worked with tens of thousands of families on their children’s sleep, we’ve seen countless baby sleep products come and go. But here’s one that stuck around (one for which we’ve seen many, many iterations): the baby sleep positioner. You know what I’m talking about, right? Those products that go in the crib or bed, and that promise to keep your baby safely positioned for sleep. Many of them claim to be great for newborns, as they keep baby cozy and snug. Others claim
