Corals sleep like us, but their symbionts never rest

Unknown Source

• 36d ago

Israeli research traces need for sleep over millions of years of evolution

Bar-Ilan University study shows that even jellyfish and sea anemones repair DNA during repose, underscoring the fact that a good snooze is an essential evolutionary tool for health

Daily briefing: Animals without brains sleep too — hinting at why we sleep at all

Nature

• 36d ago

Daily briefing: Animals without brains sleep too — hinting at why we sleep at all

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.

Reddit Science

• 35d ago

Jellyfish sleep like humans — even though they don’t have brains. The findings bolster a theory that sleep evolved, at least in part, to protect the DNA in individual nerve cells, helping to repair damage that builds up while animals are awake.

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Corals sleep like us, but their symbionts never rest

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Israeli research traces need for sleep over millions of years of evolution

Daily briefing: Animals without brains sleep too — hinting at why we sleep at all

Jellyfish sleep like humans — even though they don’t have brains. The findings bolster a theory that sleep evolved, at least in part, to protect the DNA in individual nerve cells, helping to repair damage that builds up while animals are awake.