Sleep. Not just a brain thing


This is a fascinating article that illustrates that sleeping is a more complex activity than we know: Sleep Evolved Before Brains. Hydras Are Living Proof. | Quanta Magazine

I’ve always associated sleep with something our brains need to have in order to survive. (Sleep deprivation is one proof of that.) But I have been won over to the idea that sleep is a more fundamental property of living things, brain or no brain.

Read the article: I think you’ll find it fascinating too.

(Photo by Florian Olivo on Unsplash )

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