Do Octopuses Have Dreams? They Might, and Undergo Frenzied Shifts in Color
Scientists in Brazil said an octopus' wild shifts in color, behavior, and movement serve as evidence of a sleep cycle - suggesting the octopus pivots between active and quiet sleep, just like humans shifting between deep and REM sleep, according to a new study published in the journal iScience .
https://interestingengineering.com/do-octopuses-have-dreams-shifts-color-rem-sleep?utm_source=tldrnewsletter