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Some sharks do need their shut-eye


Eldorado
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Scientific evidence of sharks sleeping has been documented in Australia for the first time.

A team of scientists has observed sleep in draughtsboard sharks, a bottom-dwelling species endemic to Australia, by analysing the animals’ metabolism and posture.

The study’s lead author, Dr Michael Kelly of La Trobe University, said there was previously anecdotal evidence of sleep in sharks, mostly from observations by scuba divers.

“From a scientific standpoint, quantitatively, this had never been looked at,” he said.

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We humanity think we are an advanced understanding species. We aren't. We are still just in the beginning of understanding life and the Universe. 

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