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 ...

The study suggests a previously unobserved relationship between body temperature and REM sleep, with REM sleep appearing to act like a 'thermostatically controlled brain heater.' Warm-blooded animal ...

Do you think its dogs? Dogs sleep a lot. Guess again. What about cats? Not them either. It isn’t a primate, so that rules out humans, apes, and monkeys. Sleep researchers divide the phases of sleep ...

Rapid eye movement (REM) sleep brings about brief but periodic awakenings. In 1966, Dr. Frederick Snyder reported the "sentinel" function of REM could help animals prepare a fight or flight response ...

Rapid eye movement (REM) sleep is one of four stages the brain moves through while sleeping. In REM sleep, the eyes move rapidly in various directions and dreams can occur. REM sleep typically starts ...

In a recent perspective piece published in the journal Neuron, researchers discussed how stress can disrupt and promote sleep and the biological mechanisms that may underlie these responses. They ...

I was having lunch recently with an animal behaviorist and asked her about that and what she said was along the lines of: There are tons and tons of just plain wrong things that are considered "common ...