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It seems that a variety of animals exhibit at least phases of sleep where one hemisphere or part of a brain is asleep while the other is awake: https://en.wiki

It seems that a variety of animals exhibit at least phases of sleep where one hemisphere or part of a brain is asleep while the other is awake: https://en.wikipedia.org/wiki/Unihemispheric_slow-wave_sleep https://en.wikipedia.org/wiki/Unihemispheric_slow-wave_sleep

GuiA 9y ago
That's fair then.
wutbrodo 9y ago
Not to mention the fact that the article is literally about finding the _first_ animal that did something, so using past data is pretty useless.