Every night, hundreds of thousands of parents strap a $300 sock on their baby and go to sleep thinking it’s doing the one thing they’re most afraid to ask out loud: preventing SIDS. In this video, I break down what the Owlet Dream Sock actually does—real-time oxygen and pulse monitoring with alerts when readings leave preset ranges—and what it absolutely does not do, no matter how the ads make you feel. Yes, it’s FDA De Novo cleared as a Class II medical device for over-the-counter home use, and yes, Owlet says it’s clinically tested across skin tones and accurate within 3% of hospital-grade monitors. But here’s the part no baby registry is telling you: Owlet’s “fall from grace” matters. In 2021, the FDA sent a warning letter that forced the previous Smart Sock off shelves for selling a medical device without required clearance for years. And even with the Dream Sock cleared now, the American Academy of Pediatrics (2022) says home cardiorespiratory monitors should not be used to reduce SIDS risk. Add in reports from ER pediatricians seeing healthy babies rushed in after false alarms—like normal deep-sleep oxygen dips that look terrifying at 2 a.m.—and the real risk for healthy infants may be the anxiety spiral. Verdict: legit monitoring tool, not a SIDS shield, and Owlet’s own disclaimer backs that up.