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.

“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 ...

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 ...

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 ...

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.

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.

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 ...

It’s easy to see a little being with eight legs and the ability to build webs and think that we have absolutely nothing in ...

Social media posts that claim we swallow several spiders while sleeping have been horrifying people online for years. Some of the claims suggest humans swallow up to eight spiders per year in ...