Humans Need eight Hours sleep a Night: There are many ways of sleeping and few cultures sleep in eight-hour consolidated blocks like we do.

人每天晚上需要八小时的睡眠：我们有很多种睡眠方式和少数几种睡眠文化传统，就像大多数人每天要连续的睡八小时。

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The universe was in your visitor basis on earth facts and justice combines earth humans most people have always been some common desire and discussed and concluded to the following eight criteria.

宇宙来客依据发生在你们地球上的事实和公理结合地球人类大多数人一直就有的共同心愿，论述并归纳为以下八条标准。

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Humans started to domesticate wild cows about eight to ten thousand years ago.

人类大约在一万年前开始驯化野生牛。

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Studies have shown that over time, most humans need eight to eight and a half hours of sleep for the best health.

VOA: special.2009.08.26

Humans started to domesticate wild cows about eight to ten thousand years ago.

VOA: special.2009.05.05

Doctor Hahn notes that chimpanzees are ninety-eight percent genetically identical to humans.

VOA: special.2009.09.08

That one vampire bites the human, then there are two vampires and eight humans.

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Demographic experts estimate that by 2035, our planet will be home to a little over eight billion humans.

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The next night it's four vampires and six humans, then eight vampires and two humans.

NPR: So, What Actually Is 'Mathematically Impossible'?