In the initial stages of sleep, energy levels increase dramatically in brain regions found to be active during waking hours, according to new research in the June 30 issue of the Journal of Neuroscience.
Taking medications to treat insomnia and anxiety increases mortality risk by 36%, according to a study conducted by Geneviève Belleville, a professor at Université Laval's School of Psychology. Details of the study are published in the latest edition of the Canadian Journal of Psychiatry.
A study in the May 1 issue of the journal Sleep is the first to examine sleep issues in a large sample of exceptionally old adults, including nearly 2,800 people who were 100 years of age and older. Results show that about 65 percent of the sample reported that their sleep quality was...
Washington State University researchers have discovered the mechanism by which the brain switches from a wakeful to a sleeping state. The finding clears the way for a suite of discoveries, from sleeping aids to treatments for stroke and other brain injuries.
The 2011 Sleep in America® poll released March 7 by the National Sleep Foundation (NSF) finds pervasive use of communications technology in the hour before bed. It also finds that a significant number of Americans aren't getting the sleep they say they need and are searching for ways to cope.
Scientists have long puzzled over the many hours we spend in light, dreamless slumber. But a new study from the University of California, Berkeley, suggests we're busy recharging our brain's learning capacity during this traditionally undervalued phase of sleep, which can take up half the night.