People w/higher IQs more likely to be night owls & have higher level of cognitive complexity according to this study at http://t.co/Ji9LsA8v
August 28, 2012
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Winnipeg Free Press - PRINT EDITION New research bound to re-ignite old debate about early versus late risers Sleep is a fundamental component of animal biology. New evidence confirms that, in humans, its timing reflects intelligence. People with higher IQs (intelligence quotients) tend to be more active nocturnally, going to bed later, whereas those with lower IQs usually retire to bed sooner after nightfall.