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Last Updated: Nov 18, 2006 - 12:32:53 PM |
Latest Research
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Psychiatry
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Sleep Disorders
Risk Factors For Developing Complications From Sleep Apnea Surgery
Patients undergoing surgery to correct sleep apnea are more likely to have complications if their condition is severe, they have a high body mass index, they have other medical problems or they are undergoing certain other surgical procedures at the same time, according to a report in the October issue of Archives of Otolaryngology�Head & Neck Surgery, one of the JAMA/Archives journals.
Oct 17, 2006 - 2:30:00 PM
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Psychiatry
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Sleep Disorders
Studying sleep deprivation's effect on decisions
Everyone needs sleep, but temporary periods with no sleep can be a reality of military operations. To get answers on sleep questions for the military as well as civilians, for nearly four years Dr. Sean Drummond, a Department of Defense-funded researcher, has studied the effects of sleep deprivation on the brain, namely in decision making, as well as how long it takes to recover from periods of no sleep.
Aug 8, 2006 - 4:23:00 AM
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Psychiatry
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Sleep Disorders
New sleep gene discovery wakes up scientists
Proteins that regulate sleep and biological timing in the body work much differently than previously thought, meaning drug makers must change their approach to making drugs for sleep disorders and depression and other timing-related illnesses. The surprise finding is an about-face from previous research, said Daniel Forger, assistant professor of math at the University of Michigan. Forger and his collaborators from the University of Utah's Huntsman Cancer Institute have written a paper on the topic, which will appear on in the July 11 issue of the Proceedings of the National Academy of Science.
Jul 4, 2006 - 9:51:00 PM
Latest Research
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Psychiatry
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Sleep Disorders
Diphenhydramine Does Not Improve Infant Sleep
An antihistamine often recommended to parents whose infants do not sleep through the night may not be effective in reducing nighttime awakenings or improving parents' happiness with their children's sleep, according to a report in the July issue of the Archives of Pediatrics & Adolescent Medicine, one of the JAMA/Archives journals. Between 20 and 46 percent of parents have reported that their infants have trouble sleeping, according to background information in the article. Some parents let their children cry for extended periods at night-this method, known as crying out, is popular but controversial among parents and health care professionals. Another commonly used method is to give children medications-such as antihistamines, normally used to treat allergies-to sedate them at bedtime. Diphenhydramine hydrochloride, sold as Benadryl, is often used by parents and recommended by physicians despite the fact that it has not been studied in children younger than age 2 years.
Jul 4, 2006 - 1:18:00 PM
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Psychiatry
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Sleep Disorders
People sleep even less than they think
A study of the sleep characteristics of 669 middle-aged adults found that people sleep much less than they should, and even less than they think. Published in the July issue in the American Journal of Epidemiology, the study also found that blacks sleep less than whites, men sleep less than women, and the poor sleep less than the wealthy.
Jul 4, 2006 - 1:07:00 PM
Latest Research
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Psychiatry
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Sleep Disorders
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Circardian Rhythm
Computer models may reveal what makes human body clock tick
Scientists at the University of Edinburgh are using digital technology to develop an artificial body clock which can tell them more about the causes of sleeplessness. The computer-designed clock, which mimics the workings of key genes and proteins in the brain, can shed new light on the complex biological processes which influence our internal rhythms. The study is part of major Europe-wide investigation into sleep disturbance, which is a growing problem in the EU where one in every five employees now works shifts.
Jul 4, 2006 - 12:54:00 AM
Latest Research
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Psychiatry
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Sleep Disorders
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Circardian Rhythm
New fruit fly protein JET illuminates circadian response to light
Researchers at the University of Pennsylvania School of Medicine have identified a new protein required for the circadian response to light in fruit flies. The discovery of this protein � named JET � brings investigators one step closer to understanding the process by which the body's internal clock synchronizes to light. Understanding how light affects circadian (24-hour) rhythms will likely open doors to future treatments of jetlag.
Jun 30, 2006 - 2:26:00 AM
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Psychiatry
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Sleep Disorders
CBT More Effective Than Zopiclone in Insomnia
Patients with insomnia who implemented cognitive behavioral therapy interventions such as relaxation techniques had greater improvement in their sleep than patients who received the sleep medication zopiclone, according to a study in the June 28 issue of JAMA.
Jun 29, 2006 - 2:48:00 AM
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Psychiatry
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Sleep Disorders
Severe hot flashes associated with chronic insomnia
Women who have severe hot flashes may have more chronic sleep problems than women who do not, according to a report in the June 26 issue of the Archives of Internal Medicine, one of the JAMA/Archives journals.
Jun 27, 2006 - 3:57:00 AM
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Psychiatry
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Sleep Disorders
Acting out vivid dreams may forewarn of more serious illness
Mayo Clinic sleep medicine specialists have found that almost two-thirds of patients with REM sleep behavior disorder (RBD) develop degenerative brain diseases by approximately 11 years after diagnosis of RBD.
Jun 19, 2006 - 1:08:00 PM
Latest Research
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Psychiatry
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Sleep Disorders
Mushroom bodies regulate sleep like a snooze button
With help from some drowsy fruit flies, a team of researchers from the Howard Hughes Medical Institute (HHMI) at the University of Pennsylvania School of Medicine has identified a region of the fruit fly's brain that is crucial to controlling sleep.
Jun 8, 2006 - 5:37:00 AM
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Psychiatry
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Sleep Disorders
Melatonin Most Effective For Sleep When Taken For Off-Hour Sleeping
Researchers from the Divisions of Sleep Medicine at Brigham and Women�s Hospital and Harvard Medical School have found in a double-blind placebo-controlled clinical study, that melatonin, taken orally during non-typical sleep times, significantly improves an individual�s ability to sleep.
May 7, 2006 - 7:43:00 PM
Latest Research
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Psychiatry
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Sleep Disorders
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Circardian Rhythm
Children with fetal alcohol spectrum disorders exhibit altered sleeping and eating patterns
Children with fetal alcohol spectrum disorders (FASD) suffer from a variety of behavioral alterations. For example, they may exhibit alterations in sleeping and eating patterns, which may indicate that their circadian systems � which control biological rhythms � have been affected by alcohol exposure during development. A rodent study in the May issue of Alcoholism: Clinical & Experimental Research confirms that alcohol exposure during a period equivalent to the third human trimester influences the ability to synchronize circadian rhythms to light cues.
May 7, 2006 - 7:08:00 PM
Latest Research
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Psychiatry
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Sleep Disorders
Sleep Disorders and Sleep Deprivation: An Unmet Public Health Problem
It is estimated that 50 to 70 million Americans chronically suffer from a disorder of sleep and wakefulness, hindering daily functioning and adversely affecting health and longevity. The cumulative long-term effects of sleep loss and sleep disorders have been associated with a wide range of deleterious health consequences including an increased risk of hypertension, diabetes, obesity, depression, heart attack, and stroke.
Hundreds of billions of dollars a year are spent on direct medical costs associated with doctor visits, hospital services, prescriptions, and over-the-counter medications. Almost 20 percent of all serious car crash injuries in the general population are associated with driver sleepiness, independent of alcohol effects.
Despite such huge societal consequences and costs, the Institute of Medicine (IOM) finds that the cumulative effects of sleep loss and sleep disorders are "under- recognized" and "awareness among the general public and health care professionals is low given the magnitude of the burden�
Apr 6, 2006 - 5:36:00 AM
Latest Research
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Psychiatry
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Sleep Disorders
Children who sleep less are three times more likely to be overweight
The less a child sleeps, the more likely he or she is to become overweight, according to researchers from Universit� Laval's Faculty of Medicine in an article published in the latest edition of the International Journal of Obesity. The risk of becoming overweight is 3.5 times higher in children who get less sleep than in those who sleep a lot, according to researchers Jean-Philippe Chaput, Marc Brunet, and Angelo Tremblay.
Mar 29, 2006 - 1:15:00 PM
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Psychiatry
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Sleep Disorders
Studies by Brown, Lifespan scientists are at cutting edge of sleep research
A new poll of teenagers across the US finds that many of them are losing out on quality of life because of a lack of sleep. The results, announced today by the National Sleep Foundation (NSF), cite sleeping in class, lack of energy to exercise, feelings of depression, and driving while drowsy as only some of the consequences for insufficient sleep.
Mar 28, 2006 - 10:23:00 PM
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Psychiatry
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Sleep Disorders
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Circardian Rhythm
Body clock could be re-set: Research
The body clock that plays a major role in our metal and physical health could be re-set to help people working in swing shifts, experiencing jet lag or facing depression, says a new study.
Mar 23, 2006 - 5:53:00 PM
Latest Research
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Psychiatry
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Sleep Disorders
Association noted between sleep apnea and cardiovascular disease
In the current issue of the New England Journal of Medicine, two studies draw attention to the newly recognized association between sleep disorders and heart trouble. The relevance of these studies to patients with sleep apnea is discussed in an accompanying editorial by Virend Somers, M.D., Ph.D., a Mayo Clinic cardiologist. The first study, on the use of continuous positive airway pressure (CPAP) for patients with central sleep apnea and heart failure, was led by T. Douglas Bradley, M.D., of Toronto General Hospital. The other study on obstructive sleep apnea as a risk factor for stroke and death was led by H. Klar Yaggi, M.D., of Yale Center for Sleep Medicine.
Nov 10, 2005 - 5:43:00 PM
Latest Research
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Psychiatry
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Sleep Disorders
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Circardian Rhythm
Avoid jet lag by resetting body clock
A simple, at-home treatment -- a single light box and the over-the-counter drug melatonin -- allows travelers to avoid jet lag by resetting their circadian body clock before crossing several time zones, according to new research being published in The Endocrine Society's Journal of Clinical Endocrinology and Metabolism. This treatment can also help those with delayed sleep phase syndrome (DSPS), a persistent condition that results from a misalignment between a person's internal biological clock and the external social environment.
Nov 2, 2005 - 11:53:00 AM
Latest Research
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Psychiatry
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Sleep Disorders
Thousands of Australians are dangerously sleepy at work
Thousands of Australians are dangerously sleepy while driving and at work, say Monash researchers.
Sep 8, 2005 - 12:22:00 AM
Latest Research
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Psychiatry
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Sleep Disorders
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Circardian Rhythm
Clocking in Pillow Time without the Pillow
If you snooze, you lose those uncomely grayish-brown crescents below your eyes. If you don�t snooze, you lose a lot more. The body can�t fight off infection, the muscles can�t regenerate as quickly, the mind can�t learn new words, and the eyes can�t focus on the road. You also gain things: a bad mood and increased risk for diabetes, high blood pressure, and heart problems. Indeed, the effects of sleep deprivation can be so serious that some sleep scientists liken lifetime sleep debt to a heavy backpack: every sleep hour missed adds an extra pound to your pack until it weighs you down.
Aug 24, 2005 - 4:10:00 AM
Latest Research
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Psychiatry
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Sleep Disorders
Genetic disease offers clues to SIDS, sleep apnea
Imagine raising a child who stops breathing when falling asleep � and has to be reminded to visit the bathroom after drinking a Big Gulp. That's the dilemma faced by parents of children born with congenital central hypoventilation syndrome (CCHS). Afflicting about 250 children in the United States, the genetic disease wreaks havoc in areas of the brain that control involuntary actions such as breathing, fluid regulation and heart function.
Jul 12, 2005 - 1:02:00 PM
Latest Research
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Psychiatry
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Sleep Disorders
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Circardian Rhythm
Serotonin appears to modulate circardian rhythm
Jul 10, 2005 - 3:41:00 PM
Latest Research
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Psychiatry
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Sleep Disorders
Ramelteon demonstrates no abuse potential
Results of a clinical study indicated that ramelteon, an investigational compound currently under review by the FDA for insomnia treatment, had no more potential for abuse than placebo in individuals with a history of polydrug abuse. These results, presented at the 2005 American Psychiatric Association Annual Meeting, showed that patients exhibited no abuse potential or behavioral impairment at up to 20 times the proposed therapeutic dose of ramelteon compared to placebo.
May 24, 2005 - 12:42:00 PM
Latest Research
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Psychiatry
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Sleep Disorders
Overworked brains release adenosine to trigger sleep process
Why people get drowsy and fall asleep, and how caffeine blocks that process, are the subjects of a new study by researchers at UT Southwestern Medical Center.
Apr 21, 2005 - 8:14:00 PM
Latest Research
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Psychiatry
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Sleep Disorders
Infant Sleep: A Precursor to Adult Sleep?
Sleep is absolutely essential for well-being. Just ask one of the 40 million Americans with sleep disorders who suffer crippling fatigue, impaired judgment, irritability, moodiness, and myriad health problems. Still, its precise function remains unclear. An intriguing role for REM sleep�the stage most closely associated with dreaming�was suggested almost 40 years ago when sleep researchers Howard Roffwarg and William Dement discovered that babies spend far more time in REM sleep than adults�prompting their hypothesis that infant REM sleep plays a role in central nervous system development.
Apr 19, 2005 - 5:12:00 PM
Latest Research
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Psychiatry
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Sleep Disorders
Possible clues to Obesity's association with Insomnia
Unconventional wiring of the brain circuits that govern sleep and waking might explain the prevalence of insomnia and the condition's association with obesity, according to new work published in the April issue of Cell Metabolism.
Apr 12, 2005 - 11:31:00 PM
Latest Research
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Psychiatry
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Sleep Disorders
Music improves sleep quality in older adults
Sleep, a vital ingredient in life, can sometimes become difficult as humans get older. But a recent study by researchers at Case Western Reserve University's Frances Payne Bolton School of Nursing and the Buddhist Tzu-Chi General Hospital in Taiwan shows that listening to soft music at bedtime will help older adults sleep better and longer.
Apr 7, 2005 - 6:17:00 PM
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