Scientists say the cephalopods have stages similar to REM sleep seen in vertebrates including humans
Octopuses may be the subject of many mariners’ nightmares but new research has added to growing evidence the cephalopods may themselves dream while asleep.
Octopuses are thought to undergo two different stages of sleep: “quiet sleep” and “active sleep”, the latter of which involves twitching body parts and rapid changes in the texture and patterning of the skin.
More Stories
I became absorbed in strangers’ fertility journeys online
Virologist Wendy Barclay: ‘Wild avian viruses are mixing up their genetics all the time. It’s like viral sex on steroids’
Microsoft unveils chip it says could bring quantum computing within years