09/22/2014 09:10 am ET Updated Sep 22, 2014

A Full Night's Sleep Can Really Pay Off--In Salary And Investments


The typical picture of a corporate highflier is someone who survives on very little sleep. He or she rises when it is still dark, works late and is still answering emails at two o'clock in the morning.

Such people do exist, of course. The late British Prime Minister Margaret Thatcher, for example, was famous for operating on a few hours' sleep. Some entrepreneurs and Wall Street traders seem to follow suit.

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