Latest Circadian rhythms Stories

Players who are 'morning types' have a higher batting average in early games, but 'evening types' have the advantage in late gamesA Major League Baseball player's natural sleep preference might affect his batting average in day and night games, according to a research abstract that will be presented Monday, June 13, in Minneapolis, Minn., at SLEEP 2011, the 25th Anniversary Meeting of the Associated Professional Sleep Societies LLC (APSS).Results indicate that players who were "morning...

Penn study points to fertility-metabolism connectionDieticians will tell you it isn't healthy to eat late at night: it's a recipe for weight gain. In fruit flies, at least, there's another consequence: reduced fertility.That's the conclusion of a new study this week in Cell Metabolism by researchers at the Perelman School of Medicine at the University of Pennsylvania, in which they manipulated circadian rhythms in fruit flies and measured the affect on egg-laying capacity.Lead author Amita...

(Ivanhoe Newswire) "“ A drug that regulates your body clock may also be able to treat depression. A new study found that patients who take agomelatine have improved moods, sleep better and experience fewer side effects than those on traditional anti-depressants.Most anti-depressants work by raising the levels of a chemical in the brain called serotonin, which affects mood. However the medications can lead to sickness and loss of sex drive. Scientists think agomelatine works well because...

Researchers are concluding the US teens who send excessive amounts of time playing video games are much less likely to sleep the recommended 8 to 9 hours per day, reports the AFP news agency.At the annual meeting of the American Psychiatric Association, researchers claimed that an analysis of data on 16,000 teens also found that youths who reported sleeping less than seven hours a night did not get enough exercise which is also detrimental to health.Caris Fitzgerald, a psychiatry resident at...

FRAZER, Pa., May 11, 2011 /PRNewswire/ -- Today, Cephalon, Inc. (NASDAQ: CEPH) recognizes those who stay awake to keep our society moving while the rest of us are sleeping by honoring National Night Shift Workers Day and introducing a new video, "Shift Your Assumptions," as a tribute to shift workers. According to the U.S. Department of Labor, over 15 million Americans work odd hours or non-traditional shifts and may be at risk for a medical condition called shift work disorder, in which...

When doctors give heart drugs to patients, the time of day can make a big difference, according to new research by University of Guelph scientists.Many doctors prefer to give heart drugs to patients in the morning. But the study revealed that angiotensin-converting enzyme (ACE) inhibitors "“ commonly given to patients with high blood pressure or after a heart attack or during heart failure "“ improve heart structure and function when given at sleep time. In fact, when administered during...

People who go to bed late and sleep late eat more fast food and weigh moreStaying up late every night and sleeping in is a habit that could put you at risk for gaining weight. People who go to bed late and sleep late eat more calories in the evening, more fast food, fewer fruits and vegetables and weigh more than people who go to sleep earlier and wake up earlier, according to a new Northwestern Medicine study.Late sleepers consumed 248 more calories a day, twice as much fast food and half as...

The brain is apparently programmed from birth to develop the ability to determine sunrise and sunset, new research on circadian rhythms at the University of Chicago shows.The research sheds new light on brain plasticity and may explain some basic human behaviors, according to Brian Prendergast, associate professor in psychology at the University of Chicago and co-author of a paper published April 27 in the journal PLoS One. The lead author is August Kampf-Lassin, an advanced graduate student...

MELBOURNE, Fla., April 26, 2011 /PRNewswire/ -- The current prevalence of autism spectrum disorder is alarmingly high. Although there is no cure for autism, it is possible to manage and treat the comorbid medical conditions associated with autism. One of these conditions, sleeping disturbance, can be challenging to treat. A new study published in Developmental Medicine and Child Neurology by Dr. Daniel Rossignol (International Child Development Resource Center, Melbourne, FL) and Dr....

LA JOLLA, Calif., April 22, 2011 /PRNewswire-USNewswire/ -- After undergoing an extensive review process by Salk senior faculty, Non-Resident Fellows, and scientific leaders in their respective fields, Leanne Jones and Satchidananda Panda have been promoted to Associate Professor, and E.J. Chichilnisky, Andrew Dillin, Martin Hetzer, and Jan Karlseder to full Professor, the Salk Institute for Biological Studies announced today. "Faculty are the intellectual capital of the Salk Institute and...