Turning On Pulse Oximeter Sleep Tracking

Before you can use pulse oximeter sleep tracking, you must set your Lily 2 watch as your primary activity tracking device in your Garmin Connect account (Unified Training Status).

You can set your watch to continuously measure your blood oxygen level, or SpO2, for up to 4 hours during your defined sleep window Tips for Erratic Pulse Oximeter Data.

NOTE: Unusual sleep positions can cause abnormally low sleep-time SpO2 readings.

1. Press to view the menu.
2. Select > > Sleep Pulse Ox.
3. Select the toggle switch to turn on tracking.