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            Sleep Guidelines
    Led by Harvard professor Charles Czeisler, the panel of experts reviewed more than 300 studies published between 2004 and 2014 to ascertain how many hours of sleep most people need in order to maintain their health. The recommendations they came up with are as follows:
    Age Group 	Recommended # of hours of sleep needed
    Newborns (0-3 months) 	14-17 hours
    Infants (4-11 months) 	12-15 hours
    Toddlers (1-2 years) 	11-14 hours
    Preschoolers (3-5) 	10-13 hours
    School-age children (6-13) 	9-11 hours
    Teenagers (14-17)           	8-10 hours
    Young adults (18-25) 	7-9 hours
    Adults (26-64) 	7-9 hours
    Seniors (65 and older) 	7-8 hours
 
                 
            
         
            
        