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Researchers found that, like us, the octopus transitions between two sleep stages, a “quiet” stage and an “active” stage that resembles REM sleep in mammals.
Their arms and eyes twitch, their breathing rate quickens, and their skin flashes with vibrant colors—which has led scientists to conjecture that they may even be dreaming.
Researchers from the Okinawa Institute of Science and Technology (OIST) in Japan, along with colleagues from the University of Washington in the US, meticulously examined the brain activity and skin patterning in octopuses during that active period of sleep.
Roughly once an hour, the octopuses entered an active sleep phase for around a minute. During that stage, the octopuses’ brain activity very closely resembled their brain activity while awake, just like REM sleep does in humans.
Continued below.
www.goodnewsnetwork.org
Their arms and eyes twitch, their breathing rate quickens, and their skin flashes with vibrant colors—which has led scientists to conjecture that they may even be dreaming.
Researchers from the Okinawa Institute of Science and Technology (OIST) in Japan, along with colleagues from the University of Washington in the US, meticulously examined the brain activity and skin patterning in octopuses during that active period of sleep.
Roughly once an hour, the octopuses entered an active sleep phase for around a minute. During that stage, the octopuses’ brain activity very closely resembled their brain activity while awake, just like REM sleep does in humans.
Continued below.
Octopuses Have Remarkably Similar Sleep Patterns to Humans–and May Even Dream
Once an hour the octopuses entered an active sleep phase, during which their brain activity closely resembled their waking brain activity
www.goodnewsnetwork.org
