Garmin Index Sleep Monitor L/XL Bundle wearable technology

Garmin Index Sleep Monitor L/XL

The Garmin Index Sleep Monitor is a wearable sensor worn on the upper arm that captures overnight sleep stages, respiration and skin-temperature trends without a wrist device. A lightweight, breathable band in size L/XL stays comfortable all night and is machine-washable for simple hygiene. Up to seven nights of battery life mean you charge it roughly once a week. Data syncs automatically to the Garmin Connect app for a complete daily wellness picture.

Ideal for watch-free sleep tracking

This bundle suits people who dislike wearing a watch or band on the wrist while sleeping but still want detailed recovery metrics and a smart vibrating alarm that wakes them at the optimal point in their sleep cycle. It also adds menstrual-cycle insights through temperature trends. Buyers who need real-time heart-rate alerts, on-device GPS, contactless payments or a display for daytime notifications should look at a full-featured smartwatch instead.

Upper-arm band size L/XL

The monitor ships with a single breathable band sized for larger upper arms (L/XL). If your upper-arm circumference falls outside this range the sensor will not fit securely and accuracy will suffer. Garmin sells a separate S/M band for smaller arms, so confirm your measurement before ordering.