ATLANTA – Your watch says you had three hours of deep sleep. Should you believe it? Millions of people rely on phone apps and wearable devices such as rings, smartwatches and sensors to monitor how ...
Wearable health devices are no longer limited to step counts and workout summaries. They are evolving into daily health companions that monitor stress, heart rhythms, sleep quality, metabolism, and ...
Be Well-Sleep Tracking Devices Middle school teacher Kate Stoye checks her sleep score on her phone, Wednesday, Jan. 7, 2026, in Hiram, Ga. (AP Photo/Emilie Megnien ...
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