Why We Need More Sleep

Forty percent of Americans sleep less than seven hours per night, and that's a problem.

A seven-year-old cat sleeps besides its owner near Sao Conrado beach in Rio de Janeiro, Brazil on October 9, 2011. (Photo: Yasayoshi Chiba/AFP/Getty Images)

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With Polyphasic Sleep, You Can Thrive on as Little as Two Hours per Night

Nikola Tesla, Franz Kafka, and Winston Churchill all practiced polyphasic sleep. 

 

Sleeping woman.

According to the National Institutes of Health, we spend about 26 years of our life asleep, one-third of the total. The latest research states that between 6.4 and 7.5 hours of sleep per night is ideal for most people. But some need more and others less. A contingent out there, mostly women, do surprisingly well on just six hours.

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