Scientists based in Israel studying jellyfish and sea anemones have found evidence of them being in sleep-like states. It supports the idea that sleep may have evolved to protect cells from the strain of being awake, long before complex brains evolved.
No brain? Doesn’t matter when it comes to sleep. Study finds brain-less jellyfish sleep like humans
Scientists based in Israel studying jellyfish and sea anemones have found evidence of them being in sleep-like states. It supports the idea that sleep may have evolved to protect cells from the strain of being awake, long before complex brains evolved.
