Heart rate variability is one of the main things your smartwatch or fitness tracker measures. Here's what it means.

If you wear a fitness tracker, you’ve likely seen a stat labeled “HRV” pop up on your screen. But what does it mean, and does it matter? Short for heart rate variability, HRV has become a popular ...

What is heart rate variability? We combed through the latest studies to find out what this metric reveals about your health. When you purchase through links on our site, we may earn an affiliate ...

Used properly, your HRV score can help you plan your training and recovery more effectively, and understand how your emotional state affects your body. But you’ll only unlock those benefits if you ...

Unless you’ve been living under a rock for the last couple of years, there’s a good chance that you will have come across the term heart rate variability (or HRV for short). Popularised by the likes ...

It’s no secret that rest is one of the most important parts of training, but learning to listen to your body is also one of the greatest challenges triathletes face. "Should I hit that hard workout ...

The metric was also mentioned in Netflix’s Don’t Die, a documentary focusing on Bryan Johnson, a multimillionaire obsessed with living forever, through sometimes-controversial means. Unusual as the ...

That tense feeling right before you get on the blocks is something many swimmers experience prior to their races. You get a little shaky, thoughts begin to race, you nervously jump up and down. Partly ...

Improving your health on your list for 2024? Here are 9 great Apple Watch health features to check out or revisit on Apple Watch. We’ll cover native features, third-party options, Apple ...