Athlytic ($29.99/£29.99 per year) is pretty much a Whoop alternative in its own right, and will also analyze sleep, HRV ...

It encourages you to push when you need to and when to rest. If you wear your Apple Watch at night, it can use your HRV and sleep data to determine how rested you are, and uses that to help advise ...

Read more: The 20 Best Mac Apps That Will Improve Your Apple Experience ... However, when you track your HRV for a significant amount of time using your Garmin watch, you are establishing a ...

Apple Watches, in particular ... A healthy heart doesn't beat like a metronome. Heart rate variability (HRV) is an interesting metric as it measures the fluctuation in the time intervals between ...

Most women don’t know what’s going to happen during perimenopause. Smart-ring manufacturers are stepping in to provide data ...

As a busy mother to five kids, I tested the Ultrahuman Ring Air to see if it could improve my stress levels and sleep habits.

I've been wearing the Oura Ring 4 and the RingConn Gen 2 for weeks now. They're both excellent smart rings, but which one ...

Is the Oura Ring 4 the best smart ring you can buy? I've been wearing it for weeks to find out, and our in-depth review ...

Garmin's latest flagship watch, the Fenix 8, offers everything – it's a high-tech sports watch, a diving watch, has long ...

(There is a ConnectIQ store, but it’s nothing like what Apple/Samsung/Pixel ... of the key features (no HRV or training readiness). Or you can splurge on a fancier watch. But the 265 is the ...

If you're after long lasting battery life and impressive run tracking capabilities, Coros is the brand for you Actively scan device characteristics for identification. Store and/or access information ...

It might not have Ultra in the name, but there's no mistaking the Garmin Fenix 8 AMOLED's battery life, build quality, or ...