National Sleep Foundation
RECOMMENDED SLEEP
4
HOURS OF SLEEP
7-8
OLDER ADULT
i 65 years
YOUNG ADULT
18-25 years
TEENAGER
¡4-17 years
SCHOOL AGE
6-13 years
PRESCHOOL
3-5 years
Recommended Range
Not Recommended,сон,инфографика,галилео (сообщество),#галилео,разное