Oura reports that heart rate variability (HRV) measures the variation in heartbeat timing, reflecting stress levels and recovery. Higher HRV indicates well-being, while lower HRV signals stress.

Genetics can dictate whether your HRV naturally tends to be on the higher or lower end, but positive lifestyle choices, ...

Fitness trackers and smart watches are widely popular wearable devices that measure several types of health metrics, including step count, calories burned, sleep quality, Vo2 max and heart rate. As a ...

If you own a smartwatch or have been around people who own smartwatches, you may have encountered a metric called HRV, or heart rate variability. On the internet and social media, it certainly seems ...

Did you know you can customize Google to filter out garbage? Take these steps for better search results, including adding my work at Lifehacker as a preferred source. Besides measuring heart rate and ...

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 ...

The rhythmic beating of your heart tells a more complex story than most realize. While standard health assessments typically focus on heart rate, the subtle variations between individual heartbeats ...

Heart rate variability can reveal how well runners are recovering – here, a cardiologist explains how to use HRV without ...