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ELI5 Activity Trackers - how do they detect deep sleep? artwork
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ELI5 Activity Trackers - how do they detect deep sleep?

Explain Like I'm 5: Bite sized answers to stuff you should know about - in a mini podcast by ELI5 Explain Like I'm Five Podcast

Jan 23, 20268:24Education

What are the creative ways people fool their FitBit? How does my activity tracker differentiate between steps and my tapping to a rhythm? Does it use GPS to calibrate? How does it know what stage of sleep I'm in? ... We...