The study included nearly 2,200 kids in 20 U.S. cities. One-third of them had consistent, age-appropriate bedtimes between ages 5 and 9, according to their mothers.
from WebMD Health https://wb.md/2rZNncJ
The study included nearly 2,200 kids in 20 U.S. cities. One-third of them had consistent, age-appropriate bedtimes between ages 5 and 9, according to their mothers.
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