According to a recent study accepted for publication in The Endocrine Society’s Journal of Clinical Endocrinology & Metabolism (JCEM), exposure to electrical light between dusk and bedtime strongly suppresses melatonin levels and may impact physiologic processes regulated by melatonin signaling, such as sleepiness, thermoregulation, blood pressure and glucose homeostasis.
What many of us take for granted—a good night’s sleep—may be unattainable for those with lung cancer. Lung cancer patients comprise a subgroup of cancer patients who are most vulnerable to sleep disturbances. Why can’t lung cancer patients fall asleep or once asleep, stay asleep? When interviewed, the patients say that it’s not pain or difficulty breathing that keeps them awake; it’s worry—worry about what will happen to their families without them and worry that they may die in their sleep.
An editorial in the New England Journal of Medicine argues that sleep-deprived physicians should not be permitted to proceed with an elective surgery without a patient’s informed, written consent.
The brain under general anesthesia isn't "asleep" as surgery patients are often told -- it is placed into a state that is a reversible coma, according to three neuroscientists who have published an extensive review of general anesthesia, sleep and coma, in the Dec. 30 issue of The New England Journal of Medicine. This insight and others reported in their review article could eventually lead to new approaches to general anesthesia and improved diagnosis and treatment for sleep abnormalities and emergence from coma.
Researchers in Australia have developed a new method to analyze the effect of fatigue on the central nervous system. In this month's issue of The Journal of the Acoustical Society of America, they describe how sustained wakefulness slows speech and diminishes variations in pitch and tone -- findings relevant to public safety officials, military leaders, and employers concerned with fatigue among their workers.
Exposure to even dim light at night is enough to cause physical changes in the brains of hamsters that may be associated with depression, a new study shows.
Eighty-one percent of hospital patients are at high risk for obstructive sleep apnea, a study has found. The findings suggest that hospitals should consider giving patients a five-minute screening test to identify those who are at high risk.
Loyola University Health System Pediatrician talks about the importance of sleep and gives tips on helping kids sleep.
Ever wonder why some people breeze along on four hours of sleep when others can barely function? It may be in our genes, according to new research and an accompanying editorial published in the October 26, 2010, print issue of Neurology®, the medical journal of the American Academy of Neurology.
A research team from the Jefferson Sleep Disorders Center at Thomas Jefferson University Hospital has utilized a simple, eight-item pre-operative questionnaire about obstructive sleep apnea syndrome that could help identify patients at risk for complications following surgery, according to a report in the October issue of Archives of Otolaryngology–Head & Neck Surgery, one of the JAMA/Archives journals.
An expert on how light – or lack thereof – affects biological clocks and health, biologist Samer Hattar can discuss the likely impact that 69 days without natural light had on the Chilean miners’ physiology.
Cutting back on sleep reduces the benefits of dieting. When dieters got a full night's sleep, half of the weight they lost was fat. When they cut back on their sleep, only one-fourth of their weight loss came from fat. Sleep-deprived dieters also produced higher levels of ghrelin, a hormone that triggers hunger and reduces energy expenditure.
A new study, derived from novel sleep research conducted by University of California, San Diego researchers 14 years earlier, suggests that the secret to a long life may come with just enough sleep. Less than five hours a night is probably not enough; eight hours is probably too much.
Rod cells – one of three kinds of exquisitely photosensitive cells found in the retina of the eye – are surprisingly found to be the only ones responsible for “setting” our internal clocks in low light.
The New York State Society of Sleep Medicine (NYSSSM) will hold its first annual meeting and sleep conference, featuring speakers who are nationally recognized experts in clinical sleep medicine, on October 1-2, 2010 in Albany, NY. Physicians, psychologists, dentists and technologists will attend. Medical reporters welcome.
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.
A sound and restful sleep is fundamental to our health and well-being. Yet for millions of Americans, sleep is regularly interrupted or insufficient. To address the needs of this population, NewYork-Presbyterian Hospital/Weill Cornell Medical Center has established a new Center for Sleep Medicine one of the largest academic medical programs of its kind in the country dedicated to providing comprehensive diagnosis and treatment.
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.
Burning the candle at both ends for a week may take an even bigger toll than you thought.
A new study shows that a sleep disorder may be a sign of dementia or Parkinson’s disease up to 50 years before the disorders are diagnosed. The research is published in the July 28, 2010, online issue of Neurology®, the medical journal of the American Academy of Neurology.
In the spring, later sunset and extended daylight exposure delay bedtimes in teenagers, according to researchers at Rensselaer Polytechnic Institute’s Lighting Research Center (LRC).
A good night’s sleep is crucial to daily function, but more than 40 million Americans live with an undiagnosed or untreated sleep disorder in the United States. At Wake Forest University Baptist Medical Center, the sleep-challenged can find help at the Sleep Center, now conveniently located at the Hawthorne Inn to provide patients with the highest quality of care in a comfortable and relaxing environment.
When it comes to executing items on tomorrow’s to-do list, it’s best to think it over, then “sleep on it,” say psychologists at Washington University in St. Louis.
Researchers from the Harvard School of Public Health have established the first link between air pollution and sleep-disordered breathing (SDB), a known cause of cardiovascular diseases.
Doctors have long known that snoring is hazardous to health for a number of reasons. In addition to restless nights and increased daytime sleepiness, sleep-disordered breathing (SDB) has a series of associated health problems, including increased risk of cardiovascular disease (CVD).
Researchers from the Harvard School of Public Health have established the first link between air pollution and sleep-disordered breathing (SDB), a known cause of cardiovascular diseases.
University of Maryland School of Nursing study shows successive 12-hour shifts for U.S. hospital nurses leaves many with serious sleep deprivation, higher risk of health problems, and more odds of making patient errors.
A mission to Mars? A six-man crew will simulate a 520-day Mars mission in a Moscow isolation chamber. U.S. scientists will monitor the crew’s rest-activity cycles, performance and psychological responses to see how often sleep loss, fatigue, stress, mood changes and conflicts occur.
People with brain injuries may produce low amounts of melatonin, which affects their sleep, according to a study published in the May 25, 2010, print issue of Neurology®, the medical journal of the American Academy of Neurology.
Patients with suspected obstructive sleep apnea (OSA) may no longer have to spend an expensive and uncomfortable night at a sleep center to monitor their sleep-disordered breathing. According to new research, those who performed sleep testing in their home with portable monitors showed similar improvements after three months of treatment with continuous positive airway pressure (CPAP) in daytime function as compared to patients who underwent overnight testing in a sleep center.
Sleep apnea may cause metabolic changes that increase insulin resistance, according to researchers from the University of Pittsburgh Medical Center. The intermittent hypoxia associated with sleep apnea causes a distinct drop in insulin sensitivity in mice, even though chronic hypoxia, such as that associated with high altitude, did not.
According to a new study accepted for publication in The Endocrine Society’s Journal of Clinical Endocrinology & Metabolism (JCEM), just one night of short sleep duration can induce insulin resistance, a component of type 2 diabetes.
Children with sickle cell disease who also have lower blood oxygen levels while both asleep and awake are likely to have heart abnormalities, researchers at Washington University School of Medicine in St. Louis and other institutions have found.
For commercial motor vehicle drivers with obstructive sleep apnea (OSA), effective treatment lowers healthcare costs and disability rates, reports a study in the May Journal of Occupational and Environmental Medicine, official publication of the American College of Occupational and Environmental Medicine (ACOEM).
Working the nightshift interferes with sleep, particularly for workers in their 30s and 40s, reports a study in the April Journal of Occupational and Environmental Medicine, official publication of the American College of Occupational and Environmental Medicine (ACOEM).
Sleep. Humans need it in order to perform well on the job, in space and on the ground. Space researchers have developed software that uses mathematical models to help astronauts better adjust to shifting work and sleep schedules. On Earth, the software could help people who do shift or night work or who experience jet lag due to travel across time zones.
Obstructive sleep apnea (OSA) is associated with an increased risk of stroke in middle-aged and older adults, especially men, according to new results from new research supported by the National Heart, Lung, and Blood Institute (NHLBI) of the National Institutes of Health. Overall, sleep apnea more than doubles the risk of stroke in men.
Findings from the Technion-Israel Institute of Technology could provide good news for elderly patients who suffer from sleep apnea. The research results from Prof. Peretz Lavie and Dr. Lena Lavie of the Faculty of Medicine show that elderly patients with moderate sleep apnea live longer than their counterparts in the general population.
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 influences your friends, but also their friends and so on. Researchers at the University of California, San Diego and Harvard University have taken this a step farther and found that the spread of one behavior in social networks influences the spread of another behavior, adolescent drug use.
Nurses participating in shift work, especially those working rotating shifts, face a significantly increased risk of developing Irritable Bowel Syndrome and abdominal pain compared to those working a standard day-time schedule, according to research published in the American Journal of Gastroenterology.
During the 2010: The Year of the Lung campaign, the ATS and other members of the Forum of International Respiratory Societies (FIRS) are honoring World Sleep Day, March 19, by raising awareness of sleep-disordered breathing, an underdiagnosed and potentially dangerous condition if left untreated. Treatment of sleep-disordered breathing can improve symptoms and may reduce health risks related to the condition.
The American Academy of Neurology has issued a new guideline recommending the most effective treatments to help people with Parkinson’s disease who experience sleep, constipation, and sexual problems, which are common but often underrecognized symptoms. The guideline is published in the March 16, 2010, issue of Neurology®, the medical journal of the American Academy of Neurology.
Daylight Saving Time can be hazardous for your health. Studies have found there's a higher risk of heart attacks, traffic accidents and workplace injuries on the first Monday of Daylight Saving.
Many Americans will lose an hour of sleep on March 14, the first day of daylight-saving time—making it harder to wake up, causing difficulty in staying alert and increasing the chance of sleepy-driving car crashes. However, this is not the only time when the amount of sleep should be of concern because many aspects of health are related to sleep. Read on for more information.
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.
SLU sleep expert offers tips for worn-out workers.
Professor of Mathematics Mark Holmes and his graduate student Lisa Rogers are using math to develop a new computer model that can be easily manipulated by other scientists and doctors to predict how different environmental, medical, or physical changes to a person’s body will affect their sleep. Their model will also provide clues to the most basic dynamics of the sleep-wake cycle.
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