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 ...

Database searches retrieved a total of 3,141 citations (Fig. 1). Shortlisted citations were retrieved and checked at the title/abstract level excluding 2,765 papers. Complete articles for the ...

Your heart rate variability (HRV) score shows the variability between heartbeats. This helps measure how well your heart responds to stimuli like stress and physical activity. There are several ways ...

Heart rate variability has become the cornerstone of recovery-focused metrics on top sports watches, but Garmin’s ‘HRV Status’ takes it a step further. Once you get to grips with how HRV Status works, ...

Heart rate variability (HRV) is a known risk factor for mortality in both healthy and patient populations. There are currently no normative data for short-term measures of HRV. A thorough review of ...