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

Oura reports that heart rate variability (HRV) measures the variation in heartbeat timing, reflecting stress levels and ...

Why the wild freakish heart rate and HRV scores Van der Poel discussed in a recent podcast mean everything and nothing, all ...

Heart rate variability can tell you whether to take it easy or aim for maximum intensity to achieve optimal results – but only if you measure and interpret it properly.

Heart rate variability typically decreases during stressful situations, although the heart rate increases. Managing stress levels can mean a more variable heart rate. Exercise and relaxation ...

It’s been known for decades that heart rate variability (HRV) during labor signals how a fetus is responding to stress. Lower HRV—a lower variation in heartbeats—is even a risk factor for sudden ...

"Our findings are the first identification of a potential autonomic marker for, and implicating the role of specific neurobiological processes in, agitation propensity in Alzheimer’s disease…It would ...

Respiratory rate, another metric in the Apple Watch vitals app, shows how many breaths you take per minute. This typically ...

Overview: The Fitbit lineup emphasizes advanced biosensors that provide clinical-grade insights into cardiovascular health ...