Peter Attia· MD
what's kind of wonderful is it emerged twice independently once in births and once in mammals
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The headline is broadly defensible, but the qualifications matter. Effect sizes vary by population, the strongest claims rest on shorter trials, and credible voices push back on how it's typically framed.
what's kind of wonderful is it emerged twice independently once in births and once in mammals
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we see non REM sleep in every species even in insects we can observe something that looks like non REM sleep in reptiles fish and fibia 'ns birds and mammals every one of them has non REM sleep
we only have observed true rapid eye movement sleep in birds and mammals we don't see true rapid eye movement sleep in reptiles amphibians fish or insects now birds and mammals evolved separately along the evolutionary path from amphibians fish and reptiles so what this means is that when we went from the transition from being reptilian to either avian or mammalian that's when REM sleep emerged
REM sleep is the new kid on the block in the time course of evolution REM sleep firstly emerged later in the course of evolution
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