Micro-fluctuations in the time between heartbeats are proving a helpful indicator of mental health, stress levels, exercise ...

The app uses biometric data and sends you nudges in real time. Headspace is bringing its mental health tools right to your ...

What is heart rate variability (HRV)? As popular as the metaphor may be, a healthy heart doesn’t beat as regularly as a metronome. In fact, it changes its rhythm with each beat. Heart rate variability ...

Smartwatches commonly use heart rate variability to monitor stress. Columnist Helen Thomson explores what this metric actually tells us, and whether it could also predict and diagnose depression – and ...

Physiology meets bedtime: Lower heart rate variability, tied to reduced stress adaptability, is linked to greater bedtime procrastination. How study was done: Researchers measured HRV in 135 adults ...

Wearables measure several aspects of health, and heart rate variability might be one of those. It may be surprising when your device informs you that your heart rate variability is high or low, but ...

Your smartwatch may track HRV automatically, but age plays a major role in what counts as a healthy score ...

With analog styling, advanced health tracking, and a month-long battery, the Withings ScanWatch Nova Brilliant feels more ...

Menopause causes a drop in estrogen, which can lead to changes in heart rate, such as palpitations or fluctuations in heart rhythm. Menopause marks a significant transition in a person’s life, ...