Newborns (0-3 months): 14-17 hours per day Infants (4-11 months): 12-15 hours per day Toddlers (1-2 years): 11-14 hours per day Preschoolers (3-5 years): 10-13 hours per day School-age children (6-13 years): 9-11 hours per day Teenagers (14-17 years): 8-10 hours per day
