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. (Daniela C. Roessler via AP)
Maddie Burakoff AP Science Writer NEW YORK (AP) — It’s a question that keeps some scientists awake at night: Do spiders sleep? Daniela Roessler and…
