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How much sleep?
Newborns: 12 to 18 hours
Infants (3 to 11 months): 14 to 15 hours
Toddlers (1 to 3 years): 12 to 14 hours
Preschoolers (3 to 5): 11 to 13 hours
School age (5 to 10): 10 to 11 hours
Tweens and teens (10 to 17): 8.5 to 9.25 hours
Adults: 7 to 9 hours
Source: National Sleep Foundation
