Do Spiders Sleep? Study Suggests They May Snooze Like Humans

It's a question that keeps some scientists awake at night: Do spiders sleep?

  • Published
This photo provided by Daniela C. Roessler in August 2022 shows a jumping spider (E. arcuata) exhibiting leg curling during a REM sleep-like state. A study published on Monday, Aug. 8, 2022, finds that some spiders show resting patterns that look like REM sleep — raising questions about how widespread this kind of sleep might be in the animal world. (Daniela C. Roessler via AP)
Image via AP Photo/Daniela C. Roessler

This article was republished here with permission from The Associated Press, however it is no longer available to read on Snopes.com.

NEW YORK (AP) — It’s a question that keeps some scientists awake at night: Do spiders sleep? Daniela Roessler and her colleagues trained cameras on baby jumping spiders at night to find out. The footage showed patterns that looked a lot like sleep cycles: The spiders’ legs twitched and parts of their eyes flickered. The researchers described this pattern as a “REM sleep-like state.” In humans, REM, or rapid eye movement, is an active phase…

Read at AP News