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1、Why Do We Sl全文翻译：eep?Dear A Moment of Science,Why do we sleep? I know this question has been debated by scientists and philosophers for centuries, but are there any hard and fast answers?Good question! First, it’s true that scientists he long pondered the mystery of sleep why we do it and why it’s necessary. We know that going without sleep for too long can seriously damage health, so there’s good reason to beli that getting enough sleep is important for our well-being.But exactly how and why that’s the case is still an open question. Some research, though, may shed a little light on the problem. For instance, scientists at the University of Rochester Medical Center in New York did a study with m, and found that during sleep their brains flush out toxins that accumulate during the day.More specifically, the study found that sleep sort of changes the brain’s cellular structure. When the m were asleep or anesthetized, the researchers found that there was more space between their brain cells, allowing a sort of brain plumbing apparatus called the glymphatic to open wide and allow fluid to flow A. left the house B. saw his friendquickly through the brain.Other studies he shown that toxic molecules build up in the space between brain cells. Researchers at the University of Rochester found that those molecules vanished faster from the brain when the m were asleep.。

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