8 hours -- or else
Americans are sleeping less than ever, according to a new National Sleep Foundation poll. Some people are losing sleep because of the economy. Some are staying up too late and getting up too early....
View ArticleSleep restriction results in weight gain despite decreases in appetite and...
According to new research, in the presence of free access to food, sleep restricted subjects reported decrease in appetite, food cravings and food consumption; however, they gained weight over the...
View ArticleGene predicts how brain responds to fatigue, human study shows
New imaging research in the June 24 issue of The Journal of Neuroscience helps explain why sleep deprivation affects some people more than others. After staying awake all night, those who are...
View ArticleDementia induced and blocked in Parkinson's fly model
Parkinson's disease is well-known for impairing movement and causing tremors, but many patients also develop other serious problems, including sleep disturbances and significant losses in cognitive...
View ArticleSleep loss linked to increase in Alzheimer's plaques
Chronic sleep deprivation in a mouse model of Alzheimer's disease makes Alzheimer's brain plaques appear earlier and more often, researchers at Washington University School of Medicine in St. Louis...
View ArticleChronic sleep loss degrades nighttime performance
(PhysOrg.com) -- Although the exact function of sleep remains unknown, sleep is clearly necessary for optimal cognitive performance, learning, and memory. Sufficient sleep is also important for...
View ArticleSleep deprivation influences drug use in teens' social networks
(PhysOrg.com) -- Recent studies have shown that behaviors such as happiness, obesity, smoking and altruism are "contagious" within adult social networks. In other words, your behavior not only...
View ArticleMigrating birds can't control themselves
During the Spring and Fall migratory seasons, sparrows become significantly less capable of resisting temptation. Researchers writing in the open access journal BMC Neuroscience investigated impulse...
View ArticleStarvation keeps sleep-deprived fly brain sharp
As anyone who has ever struggled to keep his or her eyes open after a big meal knows, eating can induce sleepiness. New research in fruit flies suggests that, conversely, being hungry may provide a way...
View ArticleStudy links shorter sleep durations with greater risks of mental distress in...
Young adults who get fewer than eight hours of sleep per night have greater risks of psychological distress, a combination of high levels of depressive and anxious symptoms, according to a study in the...
View ArticleModerate sleep loss impairs vigilance and sustained attention in children...
A new study in the March 1 issue of the journal Sleep indicates that the ability of children with attention deficit hyperactivity disorder to remain vigilant and attentive deteriorated significantly...
View ArticlePoor sleep hygiene can lead to chronic sleep loss
Many of us look forward to staying up late and sleeping in late on weekends and holidays, but experts at National Jewish Health warn that doing so can have a negative impact on healthy sleep and...
View ArticleProtein keeps sleep-deprived flies ready to learn
(PhysOrg.com) -- A protein that helps the brain develop early in life can fight the mental fuzziness induced by sleep deprivation, according to researchers at Washington University School of Medicine...
View ArticleImproving slumber on the space station with sleep-long
(PhysOrg.com) -- It is difficult to sleep in a strange place, especially when you are far from home. Just imagine if you were approximately 210 miles from home and free floating in a spacecraft...
View ArticleYou snooze, you lose: Less sleep leads to more offspring in male pectoral...
During the breeding season, polygynous male pectoral sandpipers that sleep the least sire the most young. A team of researchers headed by Bart Kempenaers from the Max Planck Institute for Ornithology...
View ArticleLinking weight loss to less sleep apnea
More than 12 million people in the U.S. suffer from sleep apnea, most common among the overweight and obese. More than just loud snoring, it can lead to high blood pressure, stroke, cardiovascular...
View ArticleImproved diet and exercise alone unlikely to cure obstructive sleep apnea in...
A study in the Oct. 15 issue of the Journal of Clinical Sleep Medicine found that while a strict diet and exercise program may benefit obese patients with mild to moderate obstructive sleep apnea...
View ArticleCOMPASS points to weight loss
(PhysOrg.com) -- Obesity researchers at Washington University School of Medicine in St. Louis are recruiting families with overweight children for a study to help those kids, and their parents, lose...
View ArticleMemory researchers explain latest findings on improving the mind, stopping...
The ability to remember is not just to glimpse into the past; a sharp memory can help with creativity, productivity and even the ability to imagine the future, according to several psychologists.
View ArticlePopular sleep medicine puts older adults at risk for falls, cognitive impairment
Adults who take one of the world's most commonly prescribed sleep medications are significantly more at risk for nighttime falls and potential injury, according to a new study by the University of...
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