Scientists have spent years trying to work out if octopuses, whose brains have some remarkable similarities to our own, have dreams. A recent study even purported that the eight-armed cephalopods can ...

A sleeping octopus whose colours changed overnight has prompted marine biologists to question whether or not the eight-limbed mollusc may be dreaming. In a clip released by Nature on PBS, Dr David ...

A video of an octopus changing colors while it sleeps is raising a lot of questions about the mysterious sea creatures. The footage aired in the new PBS documentary titled "Octopus: Making Contact." ...

Read the paper: Wake-like skin patterning and neural activity during octopus sleep When octopuses sleep, strange patterns sometimes flicker across their skin. Now, neuroscientists have been able to ...

When octopuses sleep, their quiet periods of slumber are punctuated by short bursts of frenzied activity. Their arms and eyes twitch, their breathing rate quickens, and their skin flashes with vibrant ...