The longer you spend in a dream phase, the less likely you may be to develop conditions like Alzheimer’s and heart failure, a study suggests.

REM sleep is already called "paradoxical sleep." The body is largely still, yet the brain is highly active. In humans, this is also the stage most closely associated with vivid dreaming. Our study, ...

Eugene Aserinsky never wanted to study sleep. He tried being a social worker, a dental student, and even did a stint in the army as an explosives handler. He enrolled at the University of Chicago to ...

If you wake up during or just after a REM period, you are more likely to remember what you were dreaming. Most of the dreams one remembers are the ones they see with their eyes open. When asleep, most ...

Rapid eye movement (REM) sleep organizes sparse, sequential cortical reactivation through chains of prefrontal high-frequency oscillations coupled to hippocampal theta, an inter-regional dialogue ...

A 2021 phone poll revealed that only 34% of Americans "sometimes" remember their dreams. About 1 in 10 say they "almost always" can, and the same percentage say they "never" do. Explanations for such ...

In a new study from the University of Michigan, researchers have coupled experiments with models of neuronal circuits, like the one shown here, to investigate the role of the non-REM to REM sleep ...

Narcolepsy is a neurological condition that affects a person’s ability to control their sleep-wake cycles. Narcolepsy commonly causes a person to feel sleepy throughout the day. It can also disturb a ...