Garmin has announced a new sleep-tracking band that can be strapped to your upper arm, which could make it more comfortable to wear overnight. The Index Sleep Monitor tracks sleep stages, heart rate, and even your breathing to create a “comprehensive view of overall fitness and recovery,” with a personalized sleep score delivered every morning so you know how well you slept, according to Garmin.
The Index Sleep Monitor is now available through Garmin’s online store in S-M and L-XL sizes…