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Octopuses Have Two Alternating Sleep States | Nutrition Fit

Publicado em 25 março 2021
Octopuses are known to sleep and to change color while they do it. Now, a study publishing March 25 in the journal iScience finds that these color changes are characteristic of two major alternating sleep states: an “active sleep” stage and a “quiet sleep” stage. The researchers say that the findings have implications for the evolution of sleep and might indicate that it’s possible for octopuses to experience something akin to dreams. Scientists used to think that [...]