“I thought they were dead.” It turns out the jumping spiders were simply asleep—and that Rößler had discovered an alternate sleeping habit of the species Evarcha arcuata, which had been ...

This week in the journal Proceedings of the National Academy of Sciences, her team released recordings of the species Evarcha arcuata that suggest jumping spiders have an REM sleep-like state.

While watching the spiders, the research team also observed the animals occasionally twitching their limbs, another classic REM behavior. Together, these findings suggest that a dreamy ...

With their big eyes, furry legs and exotic colors, jumping spiders are described as some of the most adorable arachnids — but members of its more than 5,000 species are amazing in other ways, too.

Scientists have found evidence of patterns similar to a dream-like state in spiders, an advance that sheds more light on the origin, evolution and function of the sleep cycle. The study ...

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.

new study out of Germany finds arachnids, specifically jumping spiders can does in *** dreamlike state with rapid eye movement. Rem, sleep that deepest stage that helps us feel rested and stay ...

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.

Humans sometimes swallow spiders (as many as eight per year) while we’re sleeping. The thought of an eight-legged critter crawling across your pillow, climbing your face and creeping into your ...