M odern smart watches can measure an array of health indicators. Step counts and heart rates sit at the simpler end, while ...

Heart rate variability (HRV) is the variation in the time between two consecutive heartbeats over a specific period. Doctors may use HRV as an indicator for certain aspects of a person’s health, ...

LONDON — Wearables measure several aspects of health, and heart rate variability might be one of those. It may be surprising when your device informs you that your heart rate variability is high or ...

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 ...

Most fitness trackers offer a wealth of heart-rate data. Here’s how to make sense of it. By Talya Minsberg If you wear a smartwatch or fitness tracker, you likely already have access to a steady ...

New West Virginia University research finds heart rate variability — the time between heartbeats — reported on smartwatches and rings is different from what’s recorded in clinical settings. At a time ...

Tracking key heart health metrics every day helps you understand how your lifestyle affects your cardiovascular system and empowers you to take proactive steps toward better heart health. Heart ...

For the over 1 million Americans who survive severe traumatic brain injuries each year, the road to recovery is often long and challenging. Disruption of the autonomic nervous system, which controls ...

A recent study published in the journal Scientific Reports observed that maternal heart rate variability (mHRV) at three months postpartum is associated with infant neurophysiology and maternal mental ...

Heart rate variability measurements can tell us a lot about our state of readiness to train and are central to optimising ...