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.

匹兹堡大学的艾瑞克·诺夫辛格博士说，大脑在快速眼动睡眠期和完全清醒时一样活跃，大多数最生动的梦都发生在这个时候。

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Are you fully awake to your greatness.

你充分意识到你自己的伟大了吗？

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I was able of course to ask questions as he worked since I was fully awake.

当他做手术的时候我还能问问题，因为我完全是清醒的。

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Although sedated, he was fully awake and even talked to operating room staff during the procedure.

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Rest assured that I would far rather experience a colonoscopy while fully awake than ever have to experience this again.

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It's more like "half-asleep" texting, as doctors describe it as a state of rest where a person isn't fully awake.

CNN: STORY HIGHLIGHTS