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watchOS 11 is now available with sleep apnea detection for the Series 9 and Ultra 2

September 16, 2024

Close-up of person wearing Apple Watch Ultra 2 with watchOS 11 — *The Apple Watch Ultra’s Modular face can display watchOS 11’s Training Load feature and information from the Vitals app.* | Photo by Victoria Song / The Verge

Apple has just released watchOS 11, the latest version of its smartwatch operating system, alongside iOS 18 and iPadOS 18. The update, available for the Apple Watch Series 6 and later models, will finally allow users to take rest days without breaking their activity streak and introduces FDA-cleared sleep apnea detection.

Sleep apnea is a condition that can cause a person to stop breathing during sleep and can lead to an increased risk of hypertension and Type 2 diabetes if left untreated. Apple’s sleep apnea detection feature, which uses the accelerometer to monitor for small wrist movements associated with sleep interruptions, was announced alongside the new Apple Watch Series 10 and is now available for both the Apple Watch Series 9…