Micro-fluctuations in the time between heartbeats are proving a helpful indicator of mental health, stress levels, exercise capacity and even how well you are ageing.

Researchers developed Passive Heart-Rate Monitoring, a deep-learning smartphone system that estimates heart rate and daily ...

Heart Rate Variability, often shortened to HRV, has become one of the most popular recovery metrics in fitness. While resting ...

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 ...

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 ...

A growing number of recovery tools promise better sleep, lower stress, improved focus, and faster recovery. Few have ...

Wearable technology provides athletes with a constant stream of metrics like heart rate variability and recovery, often synthesized by A.I. into real-time training recommendations. But this dependence ...

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, ...

Tracking key heart health metrics every day helps you understand how your lifestyle affects your cardiovascular system and empowers you to take proactive steps toward better heart health. Heart ...