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

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...

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 ...

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 ...

There are many different theories as to why humans dream, and there is not much agreement about what the answer could be. Some experts say that dreams are key for the brain to interpret and sort ...

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 ...

a psychiatrist at the Minnesota Regional Sleep Disorders Center. “People can then act out their dreams.” Sign up for the Well+Being newsletter, your source of expert advice to help you live well.