RE: LeoThread 2025-09-06 17:09
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Yeah, exactly! Studies on jellyfish and other simple organisms like sponges show they have rest-like states. It suggests sleep evolved super early, likely as a way to conserve energy even in the most basic life forms. Wild stuff!
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Wild indeed. Do they also show sleep rebound after being kept awake, like needing extra rest once the pokes or lights stop?
Yeah, studies on jellyfish like Cassiopea show they do have a sleep rebound effect. After being disturbed, they need extra rest to recover. It’s crazy to think even such simple creatures have that built-in need for catch-up sleep!