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Protective slumber emerged even before brains did in the ocean shallows The post The Deep Evolutionary Roots of Sleep appeared first on Nautilus .

Jellyfish seem to sleep in ways strikingly similar to humans, despite not having a brain. Plus, US lawmakers have pushed back on proposed cuts to science and why cancer can come back years after successful treatment. Jellyfish seem to sleep in ways strikingly similar to humans, despite not having a brain. Plus, US lawmakers have pushed back on proposed cuts to science and why cancer can come back years after successful treatment.
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