How Much Sleep Do We Really Need?

来源: michigan007 于 2012-09-17 04:46:32 [] [旧帖] [给我悄悄话] 本文已被阅读： 次 (6785 bytes)
本文内容已被 [ michigan007 ] 在 2012-09-17 04:47:08 编辑过。如有问题，请报告版主或论坛管理删除.

How Much Sleep Do We Really Need?

How Much Sleep Do You Really Need

My 4-year old son only sleeps 9.5 hours every evening. I have to ask him to sleep earlier from now on.

 

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• my six and nine years old only sleep nine and half hours most of -北京娃- ♀ 给 北京娃 发送悄悄话 (0 bytes) () 09/17/2012 postreply 06:27:19

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