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Newborn 16 to 20 hours per day
3 weeks 16 to 18 hours per day
6 weeks 15 to 16 hours per day
4 months 9 to 12 hours plus two naps (2 to 3 hours each)
6 months 11 hours plus two naps (1 1/2 to 2 1/2 hours each)
9 months 11 to 12 hours plus two naps (1 to 2 hours each)
1 year 10 to 11 hours plus two naps (1 to 2 hours each)
18 months 13 hours plus one or two naps (1 to 2 hours each)
珠珠四個月，應該睡9+3*2=15，or 12+2*2=16, or 9+2*2=13, or 12+3*2=18。
事實上她睡11+0.75*3=13.25，the lower end。
當然忽然一天她會很困，連續睡上兩個一個半到兩個小時的覺。 |
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