REM sleep is a stage of sleep when your heart rate increases, your blood pressure elevates, and your brain processes emotions ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. In the past, scientists thought dreams happened only during REM sleep. Does that theory still ...

Spending less time in REM sleep is linked to a greater overall risk of death from any cause as well as from cardiovascular disease and other diseases except for cancer, a new study finds. Spending ...

If you are having weird dreams, it may be due to anxiety, stress, lack of sleep, or taking in new knowledge.

Dreams are a natural and essential part of sleep, occurring every night during the REM stage. Senior neurologist Dr. Sudhir ...

The simulation hypothesis states that we are characters in a computer simulation. Scientists have taken this hypothesis seriously I think because it offers interesting potential explanations for a ...

When I was a kid, I’d have vivid, intense dreams ― the details of which I’d bother my siblings about for hours. But sometime in my early 20s, they became less common. I reckon I have about three ...

Young jumping spiders dangle by a thread through the night, in a box, in a lab. Every so often, their legs curl and their spinnerets twitch—and the retinas of their eyes, visible through their ...

If you have ever seen a close-up photo of a jumping spider, you'll know they're the kind of cute ones. Many of them fit on the tip of a finger, and they sport fuzzy, colorful bodies, big eyes. DANIELA ...