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Jellyfish and sea anemones show sleep-like states, revealing sleep evolved earlier than believed.
A new study shows jellyfish and sea anemones exhibit sleep-like behaviors, including reduced activity and decreased responsiveness, suggesting sleep evolved much earlier in animal history than thought.
Despite lacking brains, these simple creatures display rest phases essential for well-being, hinting at a fundamental biological purpose for sleep shared across species.
The findings may help scientists understand sleep’s role in brain function and lead to better treatments for human sleep disorders.
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Las medusas y las anémonas marinas muestran estados de sueño, revelando que el sueño evolucionó antes de lo que se creía.