Key facts
- The Oura Ring 5, Fitbit Air, Whoop MG, and Apple Watch were tested for sleep tracking accuracy.
- Testing took place at Stanford's sleep lab.
- The evaluation aimed to assess how well these devices measure sleep quality.
Reporter Nicole Nguyen visited Stanford's sleep lab to evaluate the accuracy of several popular sleep tracking devices. The Oura Ring 5, Fitbit Air, Whoop MG, and Apple Watch were put to the test in a controlled laboratory environment. The objective was to determine how effectively these consumer wearables measure a good night's sleep when compared against the standards of a professional sleep study.