Safe sleep is one topic where the internet has made parenting harder, not easier. Between well-meaning grandparents sharing outdated advice, influencers promoting cozy-looking (but unsafe) sleep setups, and the overwhelming number of baby products marketed as "sleep aids," it's hard to know what's actually safe. As a pediatrician, I ground my recommendations in evidence—specifically, the American Academy of Pediatrics guidelines, which are based on decades of research into preventing sudden infant death syndrome (SIDS). Here's what you actually need to know, without the guilt trips or fear-mongering.