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 ...

Baby jumping spiders appear to reach a rapid eye movement (REM) sleep-like state, suggesting that they sleep and can possibly dream, according to scientists with the UCLA Center for Sleep Research ...

If you've ever seen a close-up photo of a jumping spider, you'll know they're the cute ones. Many fit on the tip of a finger and sport fuzzy, colorful bodies and big eyes. They're quite amazing, said ...