Smartwatches commonly use heart rate variability to monitor stress. Columnist Helen Thomson explores what this metric ...

It can also get tiring. We become beholden to the metrics, less likely to log an easy run or bike for fear of our Strava ...

Heart rate variability (HRV) is becoming a go-to metric for athletes, wellness enthusiasts, and anyone wanting deeper insight into their health. Modern wearables make it easy to track HRV trends over ...

Breathing not only impacts our autonomic nervous system, but the kind of breath we take impacts it in different ways.

Altered autonomic nervous system activity was linked to specific sleep disturbances, with distinct sex-based patterns.

Sleeping probably shouldn’t be a competition, but a wearable device at least presents the option. Maybe you know the deal: ...

Yes, it’s delicious and hydrating, but research suggests it could also be a smart choice for your heart and nervous system, ...

It doesn't start with a problem at all. It starts with the tool (AI, in this case) and goes searching for problems. A hammer ...

The Samsung Galaxy Watch 7 is the standard model in Samsung’s previous-generation smartwatch line, the regular sibling to the ...

PSG players will use technology banned by tennis to improve their players’ fitness levels. The Paris club is gunning for a ...

You check your smartwatch after a run. Your fitness score has dropped. You've burned hardly any calories. Your recovery score ...

Research suggests that regular physical activity helps strengthen your heart, improve circulation and lower your risk of ...