Sleep strips away consciousness, but it does not shut the brain down. PET imaging of 37 volunteers has shown that regional ...

Sleepwalking and related parasomnias result from incomplete awakenings out of non-rapid eye movement sleep. Behavioral episodes can occur without consciousness or recollection, or in relation to dream ...

It has been known for nearly 20 years that slow, synchronous electrical waves in the brain during deep sleep support the formation of memories. Why that is, was previously unknown. How do permanent ...

The intricate relationship between brain injuries and behavioral impairment has been a central point of discussion since the dawn of modern neurology. Paul Broca’s first description in 1861 of speech ...

Neurons in the sleeping brain fire at rates that can match or exceed those measured during full wakefulness, according to ...

Electrical signals from the brain could help identify potential issues in the organ's development, a new study reports. Scientists from the University of Fribourg in Switzerland and the University of ...

If you've been looking for a sign to work on your sleep hygiene, this is it. A new study suggests that a particular wave of sleep, called slow-wave sleep, plays an integral role in staving off ...

That is the tension running through a growing body of research on caffeine and sleep. Coffee does not always keep people ...

A new study uses optogenetics to induce localized sleep in awake mice, reversing memory loss from sleep deprivation.

EEG studies suggest caffeine can reduce deep, restorative sleep even when sleep duration appears normal. Its effects vary by ...