• Soggy
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      8 months ago

      Your watch can’t measure your brain or eyes, only secondary effects (and not as precisely as actual medical equipment). It’s a rough estimation at best.

      • Psythik
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        8 months ago

        Well duh but it’s a damn close estimate.

      • LittleBorat3
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        8 months ago

        It can maybe detect sleep paralysis or other things that indicate this is REM