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From Polyphasic Sleep Wiki
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<strong>You have reached Polyphasic Sleep Wiki, the open repository for polyphasic sleep information.</strong> Polyphasic sleep is the division of daily sleep into several blocks, as opposed to one single large block at night, which is the predominant sleep pattern in most modern societies. Polyphasic sleep patterns have been practiced by humans since time immemorial, and is still around in many cultures today.