The Apple Watch isn't known for being the most precise sleep‑tracking wearable, but if your readings seem far off, there are ...

Plus, doctors’ number-one pick and their take on the devices.

After years of dealing with smartwatches that tell me to sleep less because of inaccurate tracking, I found one that gets ...

Apple Watch users who wake up to inconsistent sleep data have a real problem: the device tracks sleep using optical ...

After I stopped tracking my sleep so thoroughly, I noticed a big difference in my sleep quality and quantity. Call it ...

Garmin has launched the Index Sleep Monitor, which is a lightweight sleep-tracking armband that offers a seven-night battery life. The major highlights of the device include detailed sleep monitoring, ...

It is officially Sleep Awareness Week. We probably all know someone who tracks their sleep with a smart watch, but have you ...