National Sleep Foundation changes recommended snooze time How much sleep do you really need? The National Sleep Foundation has updated its recommendations. Check out this story on KSDK.com: http://usat.ly/1CW0ACE The non-profit scientific foundation, along with a panel of experts, updated its nightly sleep duration advice for all ages in a report published Feb. 2 in Sleep Health : The Official Journal of the National Sleep Foundation .

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