Oura
Lawsuit alleges Oura ring doesn't accurately track sleep
· By Endurance Wire
UPDATE: Aug. 23, 2026, 3:25 p.m. This article was updated to include a statement from Oura. A class-action lawsuit filed in the Northern District of California alleges that the fitness tracker Oura Ring doesn't actually track one's sleep. The complaint , filed on Aug. 20, states that Oura can't measure brain electrical activity, eye movements, muscle tone, "and other signals measured through electrodes placed on the scalp, leads on the eyes, and sensors on the chin," and because it doesn't do this, it can't track sleep or sleep cycles.
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