https://www.selleckchem.com/pr....oducts/pf-04957325.h
The average sleep duration ranged between 747 and 907 hours on school days and between 931 and 1022 hours on nonschool days, and the proportion of adolescents meeting sleep recommendations ranged between 32% and 86% on school days and between 79% and 92% on nonschool days. Sleep patterns by gender and affluence groups were largely similar, but older adolescents slept less and went to bed later on school days than younger adolescents in all countries. Conclusions The sleep patterns of adolescents vary across countries and sociodemogr
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