Garmin's latest wearable is the Index Sleep Monitor, a band for overnight sleep tracking that means you don't need to wear a watch in bed.

Garmin released today its new Index Sleep Monitor, a smart sleep band that gives users a closer look at their overnight vitals and recovery. In addition to tracking sleep duration and stages, the Index Sleep Monitor provides users with their overall sleep score,

Following rumors from Garmin, Polar, and Amazfit, Garmin is the first to bring its screenless device to market. The Index sleep monitor is an armband that can measure your heart rate and other metrics while you sleep,