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Garmin’s new sleep tracker offers a week of battery life

The Index Sleep Monitor is designed to compliment your Garmin smartwatch.

Garmin’s tracker is worn on the upper arm — which should hopefully make it more comfortable — where it tracks a variety of metrics: skin temperature; light, deep and REM sleep stages; and variations in your heart rate and breathing. The data is then combined to provide an overall personalized daily sleep score that can be viewed in the Garmin Connect app. Again, these insights should be more accurate and reliable when combined with a compatible smartwatch worn during the day.

Get the Android app