Oura reports that heart rate variability (HRV) measures the variation in heartbeat timing, reflecting stress levels and ...

In previous posts I briefly reviewed the evidence for two natural supplements for reducing symptoms of hangover and withdrawal following drinking: Red Ginseng and St. John’s wort. In this post I ...

Wearables have been one of the hottest trends in fitness for years. Top brands like WHOOP, Oura, and Garmin promise smarter training and better readiness, but all that data can be overwhelming if you ...

Fact checked by Nick Blackmer Recent research linked higher bedroom temperatures with heart health problems.A warmer bedroom may cause a higher heart rate and lower heart rate variability, researchers ...

What is heart rate variability (HRV)? As popular as the metaphor may be, a healthy heart doesn’t beat as regularly as a metronome. In fact, it changes its rhythm with each beat. Heart rate variability ...