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Comment by jldugger

5 days ago

Do sponges sleep?

They certainly aren't exclusively inactive, which is all that matters for this discussion.

Presumably. Some jellyfish sleep[1]

But do fungi and Archea sleep?

My guess based on what we read is yes and no.

[1] https://www.science.org/content/article/if-alive-sleeps-brai...

  • Yea, but at some point this is probably gonna strain the colloquial definition of sleep. So I went for one of the oldest and perhaps simplest animals around, to examine the "creature" angle in extrema.