Nearly a century after the introduction of the first electronic baby monitor, new wearable devices designed to track infant health have entered the market, offering parents real-time data beyond traditional audio and video monitoring. Among these innovations, the Owlet Dream Sock has recently become the first device of its kind to receive approval from the U.S. Food and Drug Administration (FDA).

The Owlet Dream Sock is a $300 wearable that fits around a baby’s foot and is intended for use from one to 18 months of age. It utilizes pulse oximetry technology—the same method used in hospitals—to continuously monitor pulse rate and oxygen saturation, while also tracking movement and sleep position. According to Owlet’s chief parent officer, Liz Teran, the device’s accompanying app analyzes collected data to anticipate when a baby is likely to become sleepy, helping caregivers adjust schedules to prevent overtiredness and fussiness.

Teran emphasized that combining parental intuition with objective health data could transform how caregivers interact with pediatricians and manage their infants’ well-being. She suggested that the availability of such information may provide reassurance to parents and assist them in making informed decisions about their child’s care.

However, the emergence of infant health wearables has generated debate among medical professionals and child care experts. Critics express concern that reliance on these devices might lead to complacency regarding established safe sleep practices, potentially posing risks if caregivers assume the gadgets provide comprehensive protection. There are also apprehensions about the possibility of false alarms, which they warn could increase parental anxiety and disrupt both infant and family sleep.

Dr. Joanna Parga-Belinkie, a neonatologist, pointed out that despite marketing claims, evidence supporting the effectiveness of home-use infant monitoring devices in improving health outcomes remains limited. She cautioned that unnecessary alerts could prompt unwarranted medical interventions.

While other smart baby monitors on the market—including swaddles and diaper-attached devices—have yet to receive FDA clearance, the approval of the Owlet Dream Sock marks a significant milestone. Teran expressed optimism that wearable technology could become as commonplace as traditional baby monitors or strollers in the future, responding to modern parents’ demand for actionable health insights.

As infant wearable monitors gain attention, pediatricians and parents face the challenge of balancing emerging technology benefits with adherence to established safety guidelines, ensuring that devices complement rather than replace vigilant caregiving.