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 ...

According to a paper published in the scientific journal Frontiers, heart rate variability (HRV) is linked to “exceptional longevity.” The metric was also mentioned in Netflix’s Don’t Die, a ...

Women in leadership…your brain has a schedule. This hidden number on your smartwatch can help you beat burnout by aligning ...

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 ...

Did you know you can customize Google to filter out garbage? Take these steps for better search results, including adding my work at Lifehacker as a preferred source. Besides measuring heart rate and ...

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 ...

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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 ...

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 ...