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 ...
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 ...
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