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  • Nathaniel Kleitman, a professor of physiology at the University of Chicago, who along with his student at the time Eugene Aserinsky, is credited with the discovery of REM (Rapid Eye Movement) sleep.
    scf4399-139_Sleep 0006 Kleitman REM.jpg
  • Nathaniel Kleitman, a professor of physiology at the University of Chicago, who along with his student at the time Eugene Aserinsky, is credited with the discovery of REM (Rapid Eye Movement) sleep.
    Sleep 0006 Kleitman REM.jpg
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