Do octopuses dream of 8-armed sheep? New study hints at human-like sleep cycle in cephalopods

When octopuses doze on the ocean floor, their skin sometimes pulsates in an array of colors, and at other times they become pale and plain. These alternating patterns show two different stages of the octopus sleep cycle.

During “active sleep” Octopus Cephalopods may experience something like us, with dazzling colors and rippling skin REM sleep, The author wrote in a study published in the journal on March 25 iScience.. Humans do most of their dreams during REM sleep, but for now it’s unclear if cephalopods will also drift into the land of dreams, or if they do, what they dream of.

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Does the octopus dream of an eight-armed sheep?New studies suggest a human-like sleep cycle for cephalopods

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