Sleeping octopuses might experience fleeting dreams
A couple of years ago an octopus named Heidi was filmed changing colours as she slept. The footage shows her flickering from a ghostly shade of white to yellow and then turning a deep shade of burgundy before morphing into a mottled green pattern. The video went viral. Millions were instantly mesmerised by Heidi in her slumber, particularly because the narrator speculates that she’s having a vivid dream – dreaming that she’s hunting and eating a crab, like a snoozing dog chasing “dream rabbits”. Was Heidi really hunting “dream crabs”? Or was she simply experiencing a muscle twi...
Source: theconversation.com