在網路上看到的。
|
Age |
Nighttime sleep |
Daytime sleep |
Average total sleep |
|
2 years |
10.5 to 12.5 hours |
1 to 3 hours (1 nap) |
11.5 to 15.5 hours |
|
3 years |
10.5 to 12.5 hours |
1 to 3 hours (1 nap) |
11 to 14 hours |
|
4 years |
10 to 12 hours |
0 to 2.5 hours (1 or no nap) |
10 to 13 hours |
|
5 years |
10 to 12 hours |
0 to 2.5 hours (1 or no nap) |
10 to 12.5 hours |
|
6 years |
10 to 11.5 hours |
none |
10 to 11.5 hours |
|
7 years |
9.5 to 11.5 hours |
none |
9.5 to 11.5 hours |
|
8 years |
9.5 to 11.5 hours |
none |
9.5 to 11.5 hours |
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