N early half of all Americans and around 40% of Britons now use a smartwatch, smart ring, phone app or another similar device to track their sleep. Are these gadgets accurate—an ...
ATLANTA (AP) — Your watch says you had three hours of deep sleep. Should you believe it? Millions of people rely on phone apps and wearable devices like rings, smartwatches and sensors to monitor how ...
I’ve worn the Fitbit Air and Oura Ring 4 to track my sleep for a week — here's my verdict so far ...
AP Wearable devices, including Apple Watches, can be used to track sleep recently in Atlanta, Ga. ATLANTA — Your watch says you had three hours of deep sleep. Should you believe it? Millions of people ...
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