"If it's alive, it sleeps": Brainless creatures shed light on why we slumber

> Over the past few years, studies in worms, jellyfish, and hydra have challenged the long-standing idea that sleep is unique to creatures with brains. Now, “The real frontier is finding an animal that sleeps that doesn’t have neurons at all.”

science.org/content/article/if #science #biology #zoology #news 🐘

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@nev "The earliest life forms were unresponsive until they evolved ways to react to their environment, he suggests, and sleep is a return to the default state. “I think we didn’t evolve sleep, we evolved wakefulness.”"

I love this

@shahaan @eearroyo1312 @nev It stands to reason. Why do you need to be awake? To actively gather energy. If you didn't need to do that, why wake up in the first place?

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