Scientists have a lot to learn about the connection between sleep and stress, but one thing is clear: They're both trending in the wrong direction. As revealed in a recent Gallup poll, the proportion ...

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 ...

HRV is a valuable health metric that’s measured by Apple Watch, however, there’s no native integration in watchOS or iOS to better understand and make use of the data – leaving that to third-party ...

Your HRV, also known as Heart Rate Variability, is, according to Dr. Elisabetta Burchi, about to “become the next vital sign we all track.” If you haven’t heard of HRV before, this refers to the ...

Heart rate variability (HRV) is an increasingly key metric in wearables, with brands such as Whoop, Oura, Garmin, and Apple using it to help measure and advise on training and recovery. In the new era ...

Heart rate variability measures the variation in time between successive heartbeats, providing insights into the balance between the sympathetic and parasympathetic nervous systems, which influence ...

As amateur golfers, we’d love to play like the pros. There’s no doubt that you would trade your banana slice for Dustin Johnson’s penetrating 300-yard drive down the middle of the fairway or Collin ...

A few weeks ago, listener Megan wrote to me on Facebook and said: "Hey Brock, would you explain heart rate variability (HRV) in layman's terms? I've heard a lot about it, but don't quite understand ...