We need 7-8 hours of sleep to be fully rested.
我们每天需要7到8小时的睡眠时间。
Be careful about driving or operating machinery when not fully rested, though.
当你没有得到充足休息时，驾驶或者操作机器一定要非常小心。
In the morning when you are fully rested your best will be better than after you have worked a full day.
清晨时的状态，因为得到了充分的休息，它将比劳累了一整天工作后的傍晚有更好的表现。
That means just 2.5 percent of us require less than 7 hours of night a sleep to feel fully rested. That's 1 out of every 40 people.
这就是说我们中只有2.5%的人睡眠不足7个小时就可以感到彻底放松了，这个几率是1：40，即每40个人中只有1个这样的人。
The people with the gene variant were sleepier and more fatigued whether they were fully rested or sleep-deprived, and their sleep was more fragmented.
携带变异基因的人无论是得到充分休息还是被睡眠剥夺都是昏昏欲睡且更疲劳，睡眠时断断续续的多些。
Whether you have trouble getting to sleep, staying asleep or getting yourself out of bed in the morning, there are many problems that can get in the way of feeling fully rested.
无论你是难以入睡，沉睡不醒或早起，有很多的问题，有关能否得到充分休息，许多问题存在。
Whether you have trouble getting to sleep, staying asleep or getting yourself out of bed in the morning, there are many problems that can get in the way of feeling fully rested.
无论你是难以入睡，沉睡不醒或早起，有很多的问题，有关能否得到充分休息，许多问题存在。
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