Some fish likely do engage in something that is very similar to sleep. A 2019 study at Stanford University had researchers ...

Sleep is one of the most essential parts of being human. Catching some Z’s is important for daily functioning. As adults, we've got to get in about eight hours a day, according to the Sleep Foundation ...

A protective mucous cocoon surrounds this parrotfish as it sleeps in Australia's Great Barrier Reef. This layer of protection helps fend off predators so parrotfish can get a good night's rest.

An intriguing new study is offering insights into the origins of sleep, for the first time discovering zebrafish brains shift through several brain states while sleeping. The researchers suggest these ...

GOLDEN VALLEY, Minn. — Many of us know all too well about sleep (or lack thereof), and the art of catching Zzzzzs remains a mystery to scientists. Now, a little fish is giving us clues to the origins ...

Just like humans, Betta fish sleep at night. "When sleeping, they become still, with their eyes open because of their absence of eyelids. Betta fish may lose their color while sleeping (it's their ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. There’s something about the blind Mexican cavefish that will make ...

Tom has a Master's degree in Journalism. His editorial work covers anything from archaeology and the environment to technology and culture. Tom has a Master's degree in Journalism. His editorial work ...