Assertion: afternoon nap | /r/HasProperty | 7 to 9 hours
Facets:
Source sentences:
text: Age group Recommended amount of sleep Newborns 14 to 17 hours a day 12 months About 10 hours at night, plus 4 hours of naps 2 years About 11 to 12 hours at night, plus a 1- to 2-hour afternoon nap 3 to 5 years 10 to 13 hours 6 to 13 years 9 to 11 hours 14 to 17 years 8 to 10 hours Adults 7 to 9 hours