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Why do sleeping dogs look like they're running? Experts weigh in wishtv.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from wishtv.com Daily Mail and Mail on Sunday newspapers.
Assistive tech startup led by former NASA engineer uses an AI 'parrot' to help people with disabilities geekwire.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from geekwire.com Daily Mail and Mail on Sunday newspapers.
Like humans, cuttlefish can form complex memories sciencemag.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from sciencemag.org Daily Mail and Mail on Sunday newspapers.
Pourquoi ne peut-on pas vivre sans sommeil ? rtbf.be - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from rtbf.be Daily Mail and Mail on Sunday newspapers.
To revist this article, visit My Profile, then View saved stories. Fruit flies, octopuses, birds, and humans don’t seem to have much in common. Some live on land, others are aquatic. Some fly, while others are earthbound. Some are vertebrates, others lack backbones. These creatures evolved separately and their common ancestors are far, far back in the evolutionary chain. But they may share one fundamental feature: They dream. Nearly all creatures sleep, though there’s some debate as to whether single-celled organisms like paramecium do. But no one really knows why. For years, researchers have bandied about theories that sleep helps with memory, growth, and learning and it’s clear that humans need sleep to function properly but there’s little else that’s well understood. “Sleep is this big black box,” says Marcos Frank, a neuroscientist at Washington State University. Frank likens sleep to a mysterious organ: It’s clear that it exists and is vital to a ....