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posted 4 years ago

Sleep Evolved Before Brains. Hydras Are Living Proof. quantamagazine.org/s...
Sleep Evolved Before Brains. Hydras Are Living Proof. Quanta Magazine
publisher
Quanta Magazine
date published
Tuesday May 18th, 2021
authors
Veronique Greenwood, Annie Melchor, Yasemin Saplakoglu, R. Douglas Fields, .Wp-Block-Co-Authors-Plus-Coauthors.Is-Layout-Flow, Class, Wp-Block-Co-Authors-Plus, Display Inline, .Wp-Block-Co-Authors-Plus-Avatar, Where Img
summary
Studies of sleep are usually neurological. But some of nature’s simplest animals suggest that sleep evolved for metabolic reasons, long before brains even existed.