Garmin Ltd. on Wednesday launched an arm band for wear during sleep that can track vital health metrics, stepping up competition with companies like Whoop Inc. and other emerging players.

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,

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.