What is a good life, and how can we create it? Forty-plus years of research has pointed to two answers: a happy life, one created by pursuing comfort, satisfaction and more joy than sadness, and a ...

What is heart rate variability? HRV measures how much your heart rate fluctuates from beat to beat. For instance, if your pulse is 60 beats per minute, that's an average.

HRV values typically range from 20 to 200 milliseconds, with a higher HRV being a sign that a person’s autonomic nervous system is highly responsive, whether it’s telling your heart to beat ...

A study has found Garmin’s heart rate variability (HRV) measurements to offer “excellent accuracy” when compared to an electrocardiogram (ECG) machine. The new research published in European ...