Quantcast

Latest Delayed sleep phase syndrome Stories

2010-06-08 18:40:25

Excessive sleepiness is more common in the U.S. than in Europe, which raises concerns for public health and safety, according to a research abstract that will be presented Tuesday, June 8, 2010, in San Antonio, Texas, at SLEEP 2010, the 24th annual meeting of the Associated Professional Sleep Societies LLC. Results indicate that 19.5 percent of U.S. adults reported having moderate to excessive sleepiness, which was comparable between men and women.  Furthermore, 11 percent of...

f311f673ac120e7e825a0caea9d902921
2010-02-16 16:25:00

First field study shows lack of exposure to morning light delays sleep in teens Troy, N.Y - The first field study on the impact of light on teenagers' sleeping habits finds that insufficient daily morning light exposure contributes to teenagers not getting enough sleep. "As teenagers spend more time indoors, they miss out on essential morning light needed to stimulate the body's 24-hour biological system, which regulates the sleep/wake cycle," reports Mariana Figueiro, Ph.D., Assistant...

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...

982ba20c08c27ca6507f0f6e1eeb3b2e
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...

1f92435f48824cc264f71c1a4a7f63221
2010-01-14 14:00:00

New research on chronic sleep loss revealed that simply catching up on lost sleep during the weekend is not the answer to maintaining adequate amounts of rest, The Associated Press reported. After studying the effects of short- and long-term sleep loss, scientists found that the chronically sleep-deprived may function normally soon after waking up, but experience steadily slower reaction times as the day wears on, even if they had tried to catch up the previous night. Lead researcher Dr....

2010-01-01 12:50:09

A study in the Jan. 1 issue of the journal Sleep found that adolescents with bedtimes that were set earlier by parents were significantly less likely to suffer from depression and to think about committing suicide, suggesting that earlier bedtimes could have a protective effect by lengthening sleep duration and increasing the likelihood of getting enough sleep. Results show that adolescents with parental set bedtimes of midnight or later were 24 percent more likely to suffer from depression...

db6af9e9a1d8e1328512728ada93422b1
2009-12-24 07:05:00

Are your 11- and 12-year-olds staying up later, then dozing off at school the next day? Parents and educators who notice poor sleeping patterns in their children should take note of new research from Tel Aviv University "• and prepare themselves for bigger changes to come. Prof. Avi Sadeh of TAU's Department of Psychology suggests that changes in children's sleep patterns are evident just before the onset of physical changes associated with puberty. He counsels parents and educators to...

2009-12-01 12:28:50

This is the first longitudinal study to focus on sleep and puberty that employed objective sleep measures obtained in natural home environments A study in the Dec.1 issue of the journal Sleep suggests that changes in children's sleep patterns that typically occur between the ages of 11 and 12 years are evident before the physical changes associated with the onset of puberty. Results show that over the two-year course of the study, sleep onset was significantly delayed by an average of 50...

2009-11-05 14:09:44

After a late night of texting, instant-messaging or updating Facebook, it's hardly surprising that many teenagers show up groggy for school. And, studies show, sleep deprivation can lead to poor academic performance, truancy and greater dropout rates, especially for those prone to depression. To address this troubling trend, the Sleep and Psychological Disorders Laboratory at the University of California, Berkeley "“ in conjunction with Kaiser Permanente, Oregon "“ has begun...

9f58cb1207fce4af5ee9c97d9ff8a2c81
2009-06-15 14:10:00

Experts in sleep studies presented evidence that showed poor quality sleep - whether from insomnia, sleep fragmentation, or nightmares - is associated with increased risk of death, Reuters reported. The results came from several presentations last week in Seattle at SLEEP 2009, the 23rd Annual Meeting of the Associated Professional Sleep Societies. One study suggested that insomnia might be as hazardous as obstructive sleep apnea, according to researchers at Penn State College of Medicine in...


Word of the Day
tesla
  • The unit of magnetic flux density in the International System of Units, equal to the magnitude of the magnetic field vector necessary to produce a force of one newton on a charge of one coulomb moving perpendicular to the direction of the magnetic field vector with a velocity of one meter per second. It is equivalent to one weber per square meter.
This word is named for Nikola Tesla, the inventor, engineer, and futurist.