Apple adds hypertension and sleep-quality monitoring to Watch Ultra 3, Series 11
At its fall product event today, Apple updated its line of smartwatches, including the introduction of features for monitoring blood pressure and analyzing the quality of your sleep. Apple Watch Series 11 Credit: Apple The Apple Watch Series 11. The Apple Watch Series 11. Credit: Apple The Apple Watch 11 is supposed to be able to alert users about "possible hypertension" by using data from an optical heart rate sensor "to analyze how a user’s blood vessels respond to the beats of the heart,"