蜜芽传媒

Researchers in Germany have found that spiders sleep and also have rapid eye movement, which is closely linked with dreaming.

Daniela Roessler is an evolutionary biologist at the University of Konstanz in Germany where the study was carried out. She told Newsday: 鈥淭hey showed these faces where they twitch鈥�like a dog or a cat when they鈥檙e sleeping and dreaming鈥�we find it in so many animals there must be an important and universal function.鈥�

(Picture: A spider web with dew drops in the dunes at a beach in the Camargue, southern France. Credit: Wolfgang Kaehler/LightRocket via Getty Images)