Neuroscientists found that sloths sleep around nine and a half hours a day. Previous research had studied only captive sloths, who sleep on average sixteen hours a day, possibly because they are bored and depressed. | Harper's Magazine

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Neuroscientists found that sloths sleep around nine and a half hours a day. Previous research had studied only captive sloths, who sleep on average sixteen hours a day, possibly because they are bored and depressed.

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Neuroscientists found that sloths sleep around nine and a half hours a day. Previous research had studied only captive sloths, who sleep on average sixteen hours a day, possibly because they are bored and depressed.

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