An early sign of dementia could appear in the middle of the night. According to a study, this “distressing” symptom could ...

An alarming symptom that may signal dementia could manifest during the night, a study reveals. This "distressing" sign could ...

Sign up for CNN’s Sleep, But Better newsletter series. Our seven-part guide has helpful hints to achieve better sleep. For years, dreams of my teeth cracking ...

People who take longer to enter the dream stage of the sleep cycle are more likely to develop dementia, suggests a new study. It could be an early symptom of Alzheimer's disease, say scientists.

Having reoccurring dreams is a normal ... events of the day. Sleep experts at BedKingdom have explained that if you keep dreaming about being chased, it can be a warning sign, and it's usually ...

Its eyes, muscles and sucker pads twitching as if it may be experiencing a particularly vivid dream. Brazilian scientists say the shifts in color, behavior and movement are evidence of a sleep ...

In the late 1800s, scientists began to interrogate the neurological basis of dreams. In 1893, psychologist Mary Calkins led a sleep study by candlelight, rousing the participants — one man ...

They did so by devising a way to tell when sleep study participants had these intense dreams. Before they fell asleep, the participants were asked to move their eyes in a certain pattern ...