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 ...

Waking up at 3 a.m. was ruining my sleep so I tried this science-backed way to fall asleep fast again — a psychotherapist ...

Neuroscientists studying the shifts between sleep and awareness are finding many liminal states, which could help explain the disorders that can result when sleep transitions go wrong Yasemin ...

“In Alzheimer’s disease, difficulty falling asleep, frequent nighttime awakenings, behavioral changes at night, and daytime ...