Garmin Ltd. on Wednesday launched an arm band for wear during sleep that can track vital health metrics, stepping up ...

This isn't a totally unexpected development: earlier this month we saw a leaked video showing off what we now know is the Garmin Index Sleep Monitor in action. Details such as the ...

The Index Sleep Monitor isn’t a wristband, doesn’t use Connect+, and looks like something from your doctor’s drawer ...

Whoop has long set the pace for screen-free fitness trackers and launched its latest Whoop 5.0 device in May, and now Polar ...