刚开始时并不是那么容易让孩子按时睡觉，但现在我们十分开心的看到两个儿子都爱上睡觉了。
It wasn't always smooth sailing but now we are very fortunate to have babies who love their sleep.
晚上睡觉有光的话会减少褪黑激素的含量，而抗黑变激素能够促进睡眠，让我们不容易得癌症。
Light in the night reduces the melatonin level which is supposed to cause sleep and prevent the risk of cancer.
中学到东西睡觉前能记住的容易，我们学到了东西在当天的早些时候。
Things we learn right before going to sleep can be remembered easier than what we learn earlier in the day.
中学到东西睡觉前能记住的容易，我们学到了东西在当天的早些时候。
Things we learn right before going to sleep can be remembered easier than what we learn earlier in the day.
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