Why Do We Sleep?
This is an edition of The Wonder Reader, a newsletter in which our editors recommend a set of stories to spark your curiosity and fill you with delight. Sign up here to get it every Saturday morning.Why do living things sleep? “Ask researchers this question, and listen as, like clockwork, a sense of awe and frustration creeps into their voices,” Veronique Greenwood wrote in 2018.“In a way, it’s startling how universal sleep is,” she continued.