Each night, our brains cycle through hours of activity that remain surprisingly mysterious. Even though much of that time is spent dreaming, scientists still don't fully understand what the brain is ...

When you're in deep sleep, your mind can paint vivid scenes like being chased by fictional serial killer Michael Myers or unexpectedly bumping into your ex — but why? "I can say with certainty that ...

For centuries, humans have marveled at the strange theater of their nightly visions. We wake with fragments of impossible ...

An international consortium of researchers has created the largest-ever database compiling records of brain activity during sleep and dream reports. One of the first analyses of the database confirmed ...

After analyzing many previous studies on lucid dreaming, researchers have defined it as a state that differs significantly from both REM sleep and wakefulness. The awareness of dreaming during a lucid ...

People who take longer to get to the dreaming part of the sleep cycle are more likely to develop dementia, a new study suggests. Taking longer to enter the dream phase — known as rapid eye movement or ...

When I was 7, I dreamt that my brother and I were being abducted. As the men were taking us away, I realised that I was dreaming, and I turned to my brother and said, “I’m going to kick him and break ...

What new research on the avian brain and REM sleep in birds might reveal about our own dream lives. By Maria Popova I once dreamed a kiss that hadn’t yet happened. I dreamed the angle at which our ...