Smart ring maker Oura is facing a proposed class action lawsuit that claims its smart rings aren’t capable of identifying and measuring sleep cycles, TechCrunch reports. The lawsuit, filed in a district court in California, says that because Oura’s products don’t measure common physical signals of sleep, like eye movements and electrical brain activity, instead making less accurate calculations based on secondary markers.
Oura has advertised multiple generations of Oura Ring on their ability to accurately track sleep, including claiming the most recent Oura Ring 5 offers “95% Sleep Staging Accuracy compared to [a] clinical sleep lab.” The…
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