Apple Health app adds sleep features and restores Blood Oxygen in iOS 26.4
Updated
Updated · 9to5Mac · Apr 30
Apple Health app adds sleep features and restores Blood Oxygen in iOS 26.4
13 articles · Updated · 9to5Mac · Apr 30
The update adds a bedtime highlight chart showing two weeks of bedtimes, average bedtime and last night’s bedtime, while Vitals now tracks five metrics again.
Blood Oxygen data had been missing from Vitals after the Masimo patent dispute, though Apple had already relaunched the broader Blood Oxygen feature last summer.
The changes extend iOS 26.4’s sleep and wake focus, after a simultaneous iPhone and Apple Watch alarm feature, ahead of expected Health and nutrition upgrades in iOS 27 at WWDC on 8 June.
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