The Times of IsraelIsraeli research traces need for sleep over millions of years of evolution
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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.
Times of IndiaScience News: Sleep appears to have emerged far earlier in animal evolution than previously thought, according to new research examining two brainless marine specie.
Phys.org - latest science and technology news storiesA new study from Bar-Ilan University shows that one of sleep's core functions originated hundreds of millions of years ago in jellyfish and sea anemones, among the earliest creatures with nervous systems. By tracing this mechanism back to these ancient animals, the research demonstrates that protecting neurons from DNA damage and cellular stress is a basic, ancient function of sleep that began long before complex brains evolved.