• Gigan@lemmy.world
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    5 months ago

    You have to wake up at the end of a REM cycle, or you’ll wake up feeling groggy and tired.

    • mhz@lemm.ee
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      5 months ago

      This is it, with a REM cycle lasting about 90min, I find 7 REMs (7h30m~ 8H) to be the perfect lenght especially if I went to bed at 23h00.