2. Doctors think that REM sleep is very important for learning, thinking, and memory.
医生认为快速眼动睡眠对人的学习、思考和记忆非常重要。
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3. Over time, not having enough sleep—especially deep and REM sleep—can cause one to become sick more easily.
随着时间的推移，睡眠不足会让人更加容易生病，尤其是深度睡眠和快速眼动睡眠时间不足时。
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4. In the next stage—REM sleep—we begin to breathe faster and our eyes move around quickly, but our bodies do not move.
下一个阶段又称为快速眼动睡眠阶段，我们的呼吸开始加快，眼球也开始快速跳动，但我们的身体却保持不动。
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5. "During REM sleep," says LaBerge, "the brain is working full-tilt, yet it is disconnected from the outside world."
拉伯格说：“在快速眼动睡眠期间，大脑处于全速工作状态，但它与外界脱节。”
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6. In addition, breathing during REM depends much more on the action of the diaphragm and much less on rib cage action.
另外，快速眼动期的呼吸活动更多地取决于横膈膜的反应活动，而胸腔的作用要小得多。
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7. In addition, breathing during REM depends much more on the action of the diaphragm and much less on rib cage action.
另外，快速眼动期的呼吸活动更多地取决于横膈膜的反应活动，而胸腔的作用要小得多。
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8. Additional breathing changes occur during REM sleep that are even more dramatic than the changes that occur during NREM.
在快速眼动睡眠期发生的额外的呼吸变化，甚至比那些在非快速眼动期发生的变化还要显著。
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9. Even if such studies were done, they could only clarify our understanding of the role of REM sleep, not sleep in general.
即使做了这样的研究，也只能证明我们对快速眼动睡眠作用的理解，而不是一般的睡眠。
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10. The brain is as active during REM (rapid eye movement) sleep when most vivid dreams occur as it is when fully awake, says Dr. Eric Nofzinger at the University of Pittsburgh.
