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Last updated on April 19, 2014 at 18:42 EDT

Latest sleep deprivation Stories

2010-11-04 01:12:59

Discovery of novel genes and brain areas associated with sleep deprivation may have implications for improved management of brain function Researchers at the Allen Institute for Brain Science and SRI International have published the most systematic study to date of the effects of sleep deprivation on gene expression in the brain. The findings have implications for improving the understanding and management of the adverse effects of sleep deprivation on brain function. The study, available in...

2010-11-01 15:31:56

A study in the Nov. 1 issue of the journal SLEEP found that vulnerability to sleep deprivation is influenced by the interaction between waking social activity and individual personality traits. Results show that extraverts who were exposed to 12 hours of social interaction were more vulnerable to subsequent sleep deprivation than those who were exposed to an identical period of isolated activity. Speed on the Psychomotor Vigilance Task (PVT) for extraverts in the socially enriched group was...

2010-09-01 17:42:44

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 Sept. 1 issue of the journal SLEEP. Using an average self-reported nightly sleep duration of eight to nine hours as a reference, the study found a linear association between sleep durations of less than eight hours and psychological distress in young adults between 17 and 24 years of age. The...

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2010-09-01 10:33:01

By Michael C. Purdy 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 to stay awake without feeling groggy or mentally challenged. Scientists at Washington University in St. Louis found that starvation allows the need for nourishment to push aside the need for sleep. Like humans and rats, fruit flies cannot survive without sleep. But in a line...

2010-08-10 13:30:10

Burning the candle at both ends for a week may take an even bigger toll than you thought. Researchers at the University of Wisconsin-Madison have found that five nights of restricted sleep--four hours a night--affect the brain in a way similar to that seen after acute total sleep deprivation. The new study in rats, appearing in the current online edition of the Proceedings of the National Academy of Sciences, adds to the growing evidence scientists are accumulating about the negative effects...

2010-06-24 03:52:22

Reporting at the American Headache Society's 52nd Annual Scientific Meeting in Los Angeles this week, new research shows that sleep deprivation leads to changes in the levels of key proteins that facilitate events involved in the underlying pathology of migraine. Paul L. Dunham, Ph.D. and his team at Missouri State University's Center for Biomedical & Life Sciences sought to understand the mechanisms by which sleep disturbance increases the risk of migraine and may even trigger migraine....

2010-03-02 13:01:25

WINSTON-SALEM, N.C. "“ Not getting enough sleep does more damage than just leaving you with puffy eyes. It can cause fat to accumulate around your organs "“ more dangerous, researchers say, than those pesky love handles and jiggly thighs. A new study by researchers at Wake Forest University School of Medicine reveals how extremes of sleep "“ both too much and too little "“ can be hazardous to your health "“ especially for young minority women, a group most...

2010-02-15 08:16:19

A study in the Feb. 15 issue of the Journal of Clinical Sleep Medicine shows that sleepiness at the wheel and poor sleep quality significantly increase the risk of motor vehicle accidents in adolescents. Results indicate that adolescent drivers were twice as likely to have had a crash if they experienced sleepiness while driving (adjusted odds ratio = 2.1) or reported having bad sleep (OR = 1.9). Eighty of the 339 students had already crashed at least once, and 15 percent of them considered...

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2010-02-01 08:00:00

A study in the Feb. 1 issue of the journal SLEEP suggests that healthy older adults without sleep disorders can expect to have a reduced "sleep need" and to be less sleepy during the day than healthy young adults. Results show that during a night of eight hours in bed, total sleep time decreased significantly and progressively with age. Older adults slept about 20 minutes less than middle-aged adults, who slept 23 minutes less than young adults. The number of awakenings and the amount of time...

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2009-12-22 10:18:27

Are Swedish dairy cows getting sufficient sleep? The exact duration of sleep a dairy cow needs is unknown today. However, new research at the Swedish University of Agricultural Sciences (SLU) aims at studying how much sleep a dairy cow needs and if there are any connections between the need for sleep and serious health problems such as mastitis and lack of energy early in lactation. It is well known that people need sufficient sleep in order to feel well. Research on humans and different...