People should not need an alarm clock to wake them if they are getting enough sleep, the Mayo Clinic says, while acknowledging that throwing away one's alarm clock may be unrealistic.
如果人们得到了足够的睡眠就不需要闹钟来叫醒。不过要让人们脱离闹钟还是不太可能的。
Use a book light to avoid disturbing others and to avoid putting on too much light. A page or two of thoughts written down can calm you enough to restore the need for sleep.
使用台灯避免打扰其他人也可避免太强的灯光，写一两页已足够令你平静下来满足睡眠的要求。
It's not simply enough to sleep after learning, it turns out you also need to sleep before learning.
光是学习后休息是不够的，还需要在学前睡一会儿。
Newborns can't sleep through the night because they need to eat every few hours. They don't produce enough glycogen, the body's form of stored sugar, to make energy.
去探寻肌体会对缺乏食物作出什么样的反应，你应该从观察新生儿开始，新生儿不能够整夜的入睡是因为它需要每几个小时进食一次，他们不能够生产足够的糖原，糖原是一种肌体储备糖的形式以获取能量。
If you don't get enough sleep during the week, make sure you get all the sleep you need during the weekend.
如果平常工作日你无法获得足够的睡眠，那就保证在周末的时候补偿回来。
You used to require twelve hours of sleep, and now, after a while of mind training and shamatha, six hours may be enough, or even three hours, maybe you don't need to sleep at all anymore.
可能你本来需要睡十二个小时，但是在修了止观之后，也许睡六小时乃至三小时就足够了。极而言之，不睡觉也是可以的。
Get enough sleep is scientific fact: Bodies at play need eight hours of sleep to feel at rest.
充足的睡眠科学证明：状态良好的身体需要八小时的睡眠作为休息。
Get enough sleep is scientific fact: Bodies at play need eight hours of sleep to feel at rest.
充足的睡眠科学证明：状态良好的身体需要八小时的睡眠作为休息。
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