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It could pay to sleep in, according to Arianna Huffington, founder of The Huffington Post and author of the new book The Sleep Revolution, The Aetna insurance companyis offering their employees an incentive to get a full night's rest.

Aetna has a program in place that rewards employees for getting at least seven hours of sleep a night over 20 days. If the employee completes this, Huffington says, he or she will be rewarded with a $300 bonus check.

Huffington explains that Aetna recognizes that at least seven hours of sleep per night is good not only for an employee's health, but also for an employee's productivity. The effects of sleep deprivation, she says, are similar to those of alcohol intoxication.