If you have a Fitbit, or if you use the Fitbit app with a compatible device like a Pixel watch, you’ve probably seen “zone minutes” or "active zone minutes" pop up on your screen. So what exactly are ...

Unusual Trend Detection' and a 'Hypertension Study Lab'—signaling a continued push to make its platform more proactive at ...

Fitbit clarifies that this feature is experimental and intended for research exploration, not as a medical tool or diagnostic ...

Find out more about your overnight stats and get a better night of rest with one of these best sleep trackers.

My watch tracks every step, but not my meals. Here’s why I want smart glasses and AI to change how we track nutrition and ...

I ran the New York City Marathon wearing seven different fitness trackers to see which performed best for training, recovery, ...

The Whoop 5.0 device and its app still give the best recovery-tracking experience, but it's getting harder to justify buying ...