Are Humans Wired to Sleep Twice a Day? The Benefits of a Two-Phase Sleep Cycle
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Are Humans Wired to Sleep Twice a Day? The Benefits of a Two-Phase Sleep Cycle 26th May 2016 ByChristina Lavers Contributing writer for Wake Up World Until recently, most of us just assumed that sleep is a nocturnal activity that naturally occurs in one long block. Today, largely thanks to historian and researcher Roger Ekrich,…