Garmin Index Sleep Monitor, Lightweight smart sleep band, sleep tracking, sleep recovery, sleep stages and much more, up to 7 nights battery life, S-M

How did you sleep£ Find out with the Index Sleep Monitor. Comfortable, lightweight and worn on the upper arm, this smart sleep band helps you better understand how your body recovers by capturing sleep-tracking and recovery metrics as well as advanced womens health data (data presented is intended to be a close estimation of metrics tracked). Plus, get up to 7 nights of battery life. Worn on the upper arm, this lightweight and breathable smart sleep band is available in two sizes for comfort throughout ...