A lawsuit says Oura’s sleep stages are AI guesses with a coin flip’s odds
A proposed class action filed in San Francisco alleges Oura’s sleep staging is generated by AI estimates rather than measurement, and names Finnish parent Oura Health Oy as a defendant. Oura says it stands behind its science and accuracy claims.
The number Oura puts on its own product pages is now the subject of a lawsuit. A proposed class action filed in the Northern District of California alleges the company’s sleep tracking cannot support its accuracy claims, and names both Oura Inc. and its Finnish parent Oura Health Oy as defendants.
The disputed line is specific. Oura has advertised “95% Sleep Staging Accuracy compared to clinical sleep lab,” which the complaint argues a finger-worn device cannot substantiate.
The physical argument is the core of it. A polysomnography sleep study measures brain activity, eye movement and muscle tone through electrodes, none of which a ring has.
The filing’s...
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