Study: Oura surpasses Apple Watch and Fitbit in sleep tracking accuracy
Technology tamfitronics Nina Raemont/ZDNET Without testing consumer wearable tech against medical-grade devices, it can be difficult to tell if that smartwatch around your wrist or smart ring around your finger is truly accurate. To date, there’s been no shortage of chatter about which smart ring is the most accurate at sleep tracking. Now we’re getting […]