Not getting enough of deeper stages of sleep raises the risk of brain deterioration associated with Alzheimer’s disease, a ...

A new study reveals that not getting enough of specific stages in the sleep cycle may be linked to cognitive decline and ...

Spending lower proportions of time in two deep sleep stages — including REM sleep — may be linked to volume changes in ...

A link has been found between neuroactivity during sleep and brain atrophy in areas vulnerable to the degenerative disease.

New research shows that reduced time in slow wave and REM sleep is associated with smaller brain volumes in regions ...

Success isn't just about strategy and execution — quality sleep fuels energy, decision-making and emotional stability. These ...

Associations seen between less short wave sleep and rapid eye movement sleep with smaller inferior parietal region volumes.

New research reveals that lower proportions of specific sleep stages are associated with reduced brain volume in regions ...

The amount of time people spend in certain stages of sleep seems to affect brain health in ways that can affect the risk for ...

At first I dreaded having to investigate the history of sleep. Human slumber appeared impervious to time and place, stubbornly immune to the element of change animating most works of… In 1755 the ...

Persistent sleep difficulties―trouble falling asleep, waking up frequently and unable to go back to sleep again, feeling ...