Mobble
Technology · Consumer gadgets · published 2026-08-27 · via ZDNET

Class action alleges Oura ring's sleep staging is little better than chance

A proposed class action claims Oura's smart ring cannot accurately determine sleep stages because it lacks neurological sensors. The plaintiff argues the company markets AI-based guesses as reliable science, citing a study showing only 53% accuracy. Oura has defended its technology.

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Oura faces class action over sleep tracking accuracy claims · Consumer gadgets
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This summary is AI-generated and original to Mobble; the linked article is the authoritative source. Original headline: “Lawsuit says Oura sleep tracking has 'a coin flip's chance of being correct'.” Browse more stories.