Do birds sleep with their eyes open or closed?
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LONDON (Reuters) -- Apart from flying, birds have another enviable ability -- they can sleep with one eye open and half of their brain awake, researchers said Wednesday. It's called unihemispheric slow-wave sleep (USWS), and it allows birds to detect approaching predators while still getting a bit of shut-eye.
2023-04-26 06:54:36
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LONDON (Reuters) -- Apart from flying, birds have another enviable ability -- they can sleep with one eye open and half of their brain awake, researchers said Wednesday. It's called unihemispheric slow-wave sleep (USWS), and it allows birds to detect approaching predators while still getting a bit of shut-eye.