measurement
The average daily sleep requirements by age are: Newborns (up to 3 months): 14 to 17 hours; Infants (4 to 12 months): 12 to 16 hours; Young children (1 to 5 years): 10 to 14 hours; School-aged children (6 to 12 years): 9 to 12 hours; Teenagers (13 to 18 years): 8 to 10 hours; Adults (18 years and up): 7 to 9 hours.

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