01-26-2019 17:52
01-26-2019 17:52
what technology does Fitbit use to calculate REM Sleep, light sleep, and deep sleep ?
01-26-2019 21:12
01-26-2019 21:12
Hi, @Renasence! They're using a combination of your heart rate and your amount of movement. I'm assuming they have come up with a proprietary algorithm to determine which combination of the two equate to which stage of sleep you are in.
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01-27-2019 08:00
01-27-2019 08:00
Maybe the Sleep FAQ will help.
What should I know about sleep stages?
01-27-2019 09:56
01-27-2019 09:56
The question was: How does Fitbit calculate the sleep stats? What technology is built into the device that calculates REM, deep sleep, etc.?
01-27-2019 09:59
01-27-2019 09:59
Thank you. So if that is correct, it is all just a guess. I believe that an EEG is used in sleep labs to determine REM, light sleep, and deep sleep.