Millions of people rely on wearable devices to monitor how well they're sleeping. Sleep trackers don’t necessarily measure sleep directly but instead infer states of slumber from signals like heart ...

Discover how smart rings 2026 track sleep, HRV, and fitness metrics. Compare Oura Ring 4, accuracy rates, battery life, and ...

Tsukuba, Japan—In recent years, mobile applications designed to monitor health-related behaviors have gained popularity, with several incorporating game-like features to boost user engagement and ...

Many smartwatches, fitness and wellness trackers now offer sleep tracking among their many functions. Wear your watch or ring to bed, and you'll wake up to a detailed sleep report telling you not just ...

If you’re searching for the best sleep trackers, you’re doing yourself a favor. Quality sleep is necessary for feeling like a functional human, but it seems increasingly elusive these days. And ...

Over one-third of Americans use some sort of device to track their sleep, according to the American Academy of Sleep Medicine. CREDIT: whitebalaance.space via Getty Images. Get the Popular Science ...

There are dozens of devices that promise to accurately track your sleep, making sleep insights accessible outside of a sleep lab. But how useful is this data for the average person? With so much to ...

If a good night’s sleep is good, wouldn’t a perfect night’s sleep be better? Not necessarily, according to doctors. “Sleep trackers can provide value, but it’s best if you don’t fixate on it,” said ...

All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Mashable may earn an affiliate commission. Sleep trackers — wearable ...