This is how many sleeping hours you need.
这就是您的睡眠需要量。
Maybe you pride yourselves on only sleeping a few hours a night.
也许你以每晚只睡几个小时而自豪。
Daily sin: sleeping eight hours a day.
七宗罪之二：每日睡眠八小时。
Sleeping 8 hours a day might be the most important personal finance rule.
每天保持8小时的睡眠，这可能是最重要的个人理财原则了。
Keep sleeping at least 8 hours every day.
保证每天不少于8小时睡眠。
She has been sleeping for 6 hours and still cannot wake up.
她已经睡了6个小时，到现在还没有醒来。
Sleeping for less than 7 hours a day is an invitation to obesity.
一天睡眠不足7小时会导致肥胖。
She has been sleeping for two hours.
她到现在已经睡了两个小时了。
Sleeping for six hours produced less forgetting than four hours or less of prior sleep.
相比于四小时或者更少的睡眠时间，六小时睡眠造成的遗忘程度要轻一些。
He has been sleeping for ten hours.
他已经睡了十个小时了。
To many modern people, sleeping normal hours has become a luxury.
对很多现代人来说，按时就寝成了一种奢侈。
Just 6 percent of their hours were spent sleeping.
只有百分之六的时间花在睡觉上。
Thee baby kept sleeping about four hours.
这个婴儿连续睡了大约四个小时。
The baby kept sleeping about four hours.
这个婴儿连续睡了大约四个小时。
Sleeping 8 or 10 hours every day is good to your body.
每天保持8 ~10小时的睡眠时间，对你的身体有好处。
I spent 8 hours on sleeping yesterday.
我昨天花了8个小时睡觉。
I spent 8 hours on sleeping yesterday.
我昨天花了8个小时睡觉。
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