How accurate is your smartwatch? Learn how Apple and Samsung smartwatches use motion and HR to track sleep, and why you should take the data with a grain of salt ...
Morning Overview on MSN
Smartwatch sleep tracking looks smart, but is it accurate?
Smartwatch makers promise to turn your wrist into a sleep lab, translating tiny movements and heart rate blips into colorful ...
Garmin owners, these hidden sleep features on your smartwatch could be just what you need to stick to a sleep schedule and ...
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