One lesser known improvement to the Health app in iOS 11 was the addition of Heart Rate Variability data, which can be obtained in a variety of ways, including via the Apple Watch. According to ...

the Apple Watch has added significant fitness and health features almost annually for a decade: the Breathe app in 2016, ...

Released in 2018, the Apple Watch Series 4 was the first smartwatch to offer ... including the average heart rate while you're walking, your Heart Rate Variability (HRV) and heart rate during a ...

While SleepWatch offers Apple Watch users many of the same features as AutoSleep, its heart rate variability tracker stands out. This feature helps you look at how your heart rate rose or fell ...

Although you needed to see a doctor to measure your heart rate variability in the past, wearable trackers such as the Apple ...

Heart rate variability is not just a metric on a wearable. It’s a driver of the nervous system and a usable signal for relaxation and resilience.

heart rate variability, and oxygen saturation — none of these are measured using the Google Pixel Watch 2 unless you wear it overnight. Meanwhile, the Apple Watch supports all of these ...

For more convenient tracking, the Apple Watch Series 10 or Google Pixel ... Series 10 helps flood Apple Health with data, too. Heart rate variability, VO2 Max, resting heart rate, and walking ...