Sprague Word

The future and more from Richard Sprague

Jessa Gamble TED Talk

Posted by sprague on October 16, 2010

Pre-industrial humans sleep from 8pm till midnight, then take a two-hour “meditative” break at midnight, then from 2am till dawn.  They experience a huge rush of prolactin, and enjoy intense wakefulness during the day.

Jessa Gamble TED Talk

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