Apple Watch Series 11 Tops $399 Wearables Test in Sleep, Heart Rate Accuracy
Updated
Updated · 9to5Mac · Jun 7
Apple Watch Series 11 Tops $399 Wearables Test in Sleep, Heart Rate Accuracy
3 articles · Updated · 9to5Mac · Jun 7
Summary
$399 Apple Watch Series 11 led a Wall Street Journal comparison of four wearables, outperforming Oura Ring 5, Fitbit Air and Whoop MG on sleep and heart-rate accuracy.
In a Stanford Health Care sleep study, the watch matched lab-measured sleep duration exactly at 6 hours 52 minutes and aligned most closely with clinical sleep-stage results.
During a bike ride and a stroller walk, Apple Watch stayed relatively accurate across activities; Whoop came close only when worn on the bicep, while Fitbit Air and Oura lost accuracy at higher exertion.
Apple also stood out on cost of use: the watch delivers full health data without a paid subscription, unlike Whoop MG's $199-a-year model.