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[–] 1 point 1 year ago (2 children)

I don't think this tracking can be that accurate.

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  • [–] 2 points 1 year ago (1 child)

    Well after a cursory look online it seems OP was talking incorrectly.

    Studies show that sleep itself is segmented in 90 minute blocks with REM coming at the end. Rather than the REM section being 90 minutes.

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