Greater REM sleep was linked to 80% lower Parkinson's risk and 46% lower dementia risk in a major study of over 95,000 adults tracked for years.

A 95,000-person shows getting more REM sleep lowers the risk of dozens of diseases. So does getting more deep sleep.

An extra 47.6 minutes of REM sleep, the spread between the typical low-REM and high-REM sleeper in the UK Biobank, goes with ...

A UK Biobank study of 95,559 adults used wrist accelerometers and a deep-learning algorithm to link real-world sleep stages ...

Getting enough sleep is often linked to better energy, mood and concentration. However, a new study says that what happens during sleep may matter as much as how long we sleep. A large study has found ...

Scientists discovered a surprising energy paradox in the brain during REM sleep, the stage most closely associated with ...

A large study tracking more than 95,000 people suggests that how you sleep may be linked to your risk of developing dozens of diseases. People who spent more time in REM sleep had lower risks of 83 ...

REM sleep may involve a surprising energy trade-off, with the brain using more energy even as its fuel supply increases.

Everyone knows a bad night’s sleep can ruin your day—and that routinely struggling to fall and stay asleep can profoundly ...

A PINECONE-SHAPED AREA sits in the middle of the brain called the pineal gland. The job of this tiny gland is to produce and ...

Alan Alda’s first symptoms of Parkinson’s disease weren’t the typical tremors, stiffness or slow movement. It was throwing a pillow at his wife in his sleep. “I had a symptom, which at the time was ...