No athletes have a tougher time maintaining a regular sleep schedule than professional tennis players. They crisscross the globe every week, having to constantly adjust to dramatically different time ...

Ever felt exhausted after a vivid dream?” asks Professor Ko Matsui of Tohoku University. “Sleep may appear peaceful, but the brain is highly active – especially when dreaming. We were intrigued by ...

Is there a connection between having bad dreams and your risk of developing dementia at a later age? Recent research sheds ...

However, sleep is one of the most powerful performance and recovery tools out there, and getting an insufficient amount every ...

The brain demands a lot of energy compared with other organs. However, it can also make do when energy supplies are scarce, ...

Between wearables and phone apps, a growing number of tools claim to track your sleep. But experts say trackers can only go ...

The clearest evidence came after the researchers depleted the microglia. Mice with Alzheimer’s related pathology slept more ...

There’s a small fire isolated in your kitchen. If you had the right tool, you might be able to put it out. But before you can, the sprinklers turn on and flood your entire house.

Research suggests cannabis suppresses REM sleep, raising questions about memory, emotion and the purpose of dreams.

Researchers have uncovered a surprising culprit behind sleep loss in Alzheimer’s disease: the brain’s own immune cells. In ...

From sleep and stress levels to menopause symptoms, these devices can give valuable insights (but they’re not for everyone) ...