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Four wild cephalopods snoozing in a lab had long stretches of quiet napping followed by brief bursts of REM-like sleep.

Rats practice running through mazes, cats envision future hunts in their heads—scientists are learning more than ever before about animal dreamers.

A group of Stanford Medicine scientists have been awarded approximately $10 million from the National Institutes of Health's Autism Centers of Excellence program.

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...

A Glimpse Inside the Mindof Dreaming Animals 动物睡梦中的大脑初探 Avery Hurt 埃夫丽·赫特 f you've ever watched dogs or cats sleep， you've probably wondered if they're dreaming. Was that ear twitch or snuffling sound just a reflex？ Or is Fluffy dreaming of the hunt？ Maybe the sound of the can opener？ Since we can't ask， we may never know for sure. But there are good reasons to think non-human animals dream，at least according to a certain definition of dreaming. Human dreaming occurs mostly， but not exclusively， in the state known as REM（rapid eye movement） s...