Neuroscience

The brain may actively forget during dream sleep

Rapid eye movement, or REM, sleep is a fascinating period when most of our dreams are made. Now, in a study of mice, a team of Japanese and U.S. researchers show that it may also be a time when the brain actively forgets. ...

Alzheimer's disease & dementia

Lack of sleep boosts levels of Alzheimer's proteins

Have you resolved to take better care of yourself in the new year? Here's a relatively painless way to do it: Catch a few more zzz's every night. A third of American adults don't get enough sleep, according to the Centers ...

Medical research

Scientists identify a genetic basis for healthy sleep

From organisms as simple as worms to those as complex as humans, sleep is a fundamental necessity. But although an estimated 50 to 70 million people in the United States suffer from a chronic sleep disorder, the genetic mechanisms ...

Psychology & Psychiatry

Stressed to the max? Deep sleep can rewire the anxious brain

When it comes to managing anxiety disorders, William Shakespeare's Macbeth had it right when he referred to sleep as the "balm of hurt minds." While a full night of slumber stabilizes emotions, a sleepless night can trigger ...

Genetics

Research identifies genetic causes of poor sleep

The largest genetic study of its kind ever to use accelerometer data to examine how we slumber has uncovered a number of parts of our genetic code that could be responsible for causing poor sleep quality and duration.

Neuroscience

New brain research challenges our understanding of sleep

An international study headed by researchers from Aarhus University has for the first time uncovered the large-scale brain patterns and networks in the brain which control sleep, providing knowledge which in the future may ...

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Sleep disorder

A sleep disorder (somnipathy) is a medical disorder of the sleep patterns of a person or animal. Some sleep disorders are serious enough to interfere with normal physical, mental and emotional functioning. A test commonly ordered for some sleep disorders is the polysomnogram.

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