the-star.co.ke·2 min read·medium
Mammals that sleep most
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Scientific research identifies bats as the world's longest-sleeping mammals, with some species sleeping nearly 20 hours a day. The study suggests that mammals with less exposed sleeping environments tend to have longer sleep durations.
Bats are the world's longest-sleeping mammals, with the little brown bat averaging 19.9 hours of sleep a day, according to data published by Savage and West in the Proceedings of the National Academy of Sciences (PNAS).
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