<ul><li>watchOS 11.1 update includes a fix for a bug affecting sleep apnea detection on Apple Watch models.</li><li>The bug prevented proper saving of breathing disturbances data collected during sleep in the Health app.</li><li>To resolve the issue, users should install watchOS 11.1 through Settings > General > Software Update on their Apple Watch or Watch app on their paired iPhone.</li><li>Sleep apnea detection works on Apple Watch Series 9, Apple Watch Series 10, and Apple Watch Ultra 2 models.</li></ul>

watchOS 11.1 fixes a bug with Apple Watch sleep apnea detection

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