Medical research

How the brain paralyzes you while you sleep

We laugh when we see Homer Simpson falling asleep while driving, while in church, and even while operating the Springfield nuclear reactor. In reality though, narcolepsy, cataplexy and rapid eye movement (REM) sleep behavior ...

Genetics

Genetic background associated with physically active lifestyle

In a large international study, researchers at Uppsala University have identified DNA regions that are associated with physical activity or leisure screen time. The findings, published in Nature Genetics, confirm that physical ...

Neuroscience

Acting out dreams linked to development of dementia, study finds

The strongest predictor of whether a man is developing dementia with Lewy bodies—the second most common form of dementia in the elderly—is whether he acts out his dreams while sleeping, Mayo Clinic researchers have discovered. ...

Neuroscience

Study identifies how muscles are paralyzed during sleep

Two powerful brain chemical systems work together to paralyze skeletal muscles during rapid eye movement (REM) sleep, according to new research in the July 11 issue of The Journal of Neuroscience. The finding may help scientists ...

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