Heart rate variability has become one of the more curious metrics to emerge from the age of wrist-worn running trackers that, ...

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

Heart rate variability, or HRV, is quickly becoming one of the most important metrics in modern fitness, and for good reason. Unlike heart rate, which tells you how fast your heart is beating, HRV ...

These days, everyone from the average Susan to the hardcore data-loving wellness enthusiast has the technology to track just about anything in the name of self-optimization. A ring wearable tells you ...

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 ...

My Garmin has turned me into an addict. I have become hooked on alcohol-free beer. It all began a few months ago when I was flicking through data on my new watch after a long weekend of late nights ...

Knowledge is power when it comes to performance, these picks help you get it.

Measuring heart health isn’t only for those who've had heart failure, but also critical for those with traumatic brain injury (TBI). Heart rate variability is a key measure of heart health. As you ...

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

You might be familiar with HRV—heart rate variability—as a popular training tool for workouts and a biomarker for measuring exercise recovery. Beyond exercise tracking, heart rate variability has a ...

Regular movement improves sleep, boosts energy and supports mood while also strengthening the heart and lowering stress.

These days, everyone from the average Susan to the hardcore data-loving wellness enthusiast has the technology to track just about anything in the name of self-optimization. A ring wearable tells you ...