How does a smart watch knows when people fall asleep, and having either light, deep or REM sleep, when it is only in contact with the wrist? 327 viewsJanuary 1, 2024 Question100.55K April 17, 2023 0 Comments How does a smart watch knows when people fall asleep, and having either light, deep or REM sleep, when it is only in contact with the wrist? In: 1 6 Answers ActiveNewestOldest Anonymous Posted April 18, 2023 0 Comments Smart watches have tons of sensors built in to measure data about its surroundings. The data collected is paired with other sleep data to determine what stages of sleep your in. Movement heart rate, a light in your room or not etc. You are viewing 1 out of 6 answers, click here to view all answers. Register or Login
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