by Phillip Yuhas, The Conversation Blue light has gotten a bad rap, getting blamed for loss of sleep and eye damage. Personal electronic devices emit more blue light than any other color. Blue light has a short wavelength, which means that it is high-energy and can damage the delicate tissues of the eye. It can...
Tag: <span>Sleep disorder</span>
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Rare sleep disorder common among veterans with PTSD
Findings may provide insight about development of neurodegenerative conditions like Parkinson’s disease OREGON HEALTH & SCIENCE UNIVERSITY Military veterans with post-traumatic stress disorder or concussion suffer from a thrashing form of sleep behavior at a rate that is far higher than the general population, according to a new study by researchers at the VA Portland...
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From sleeping cell to assassin — how immune cells work
Scientists at the University of Dundee have carried out one of the most comprehensive studies into how immune cells sense and respond to their environment to fight infection and destroy tumours. UNIVERSITY OF DUNDEE Scientists at the University of Dundee have carried out one of the most comprehensive studies into how immune cells sense and...
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Craving junk food after a sleepless night?
Blame your nose, which sniffs out high fat, calorie-dense food NORTHWESTERN UNIVERSITY Sleep-deprived subjects gobbled doughnuts and potato chips Brain zeroes in on smells of energy-rich food After sleepless night, your ‘tired’ nose fails to talk to brain regions directing food choices CHICAGO — When you’re sleep deprived, you tend to reach for doughnuts, fries...
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JUST 4 NIGHTS WITH LESS SLEEP CAN ALTER FAT STORAGE
Restricting sleep for just four days alters how the body metabolizes fats and changes how satisfying meals seem, according to a new study with 15 healthy men. When we don’t get enough sleep, we want to eat more than we need, and store it as excess energy, says Orfeu Buxton, professor of biobehavioral health at...
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Teens sleep 43 more minutes per night after combo of two treatments, Stanford study finds
STANFORD MEDICINE Teenagers got 43 more minutes of sleep a night after a four-week intervention that reset their body clocks and helped them go to bed earlier, a study from the Stanford University School of Medicine has shown. The treatment had two components: brief, early morning flashes of bright, broad-spectrum white light to reset the teens’ circadian clocks, and cognitive behavioral therapy that motivated them to try earlier bedtimes. The findings...
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Lack of sleep affects fat metabolism
by American Society for Biochemistry and Molecular Biology We’re all a little short on sleep during the work week. A new study adds to the mounting evidence about just how harmful lack of sleep can be. In the Journal of Lipid Research, researchers at Pennsylvania State University report that just a few days of sleep...
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Teenage Sleep Hygiene
Posted Today A new study led by Harvard Medical School researchers at the MassGeneral Hospital for Children has found that adolescent sleep timing preferences and patterns should be considered risk factors for obesity and cardiometabolic health, and that the effects are greater in girls than in boys. Poor quality and short duration of sleep are...
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How sleepless nights compromise the health of your gut
by Champalimaud Centre for the Unknown It is well known that individuals who work night shifts or travel often across different time zones have a higher tendency to become overweight and suffer from gut inflammation. The underlying cause for this robust phenomenon has been the subject of many studies that tried to relate physiological processes with the...
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Sleeping too much—or too little—boosts heart attack risk
by University of Colorado at Boulder Even if you are a non-smoker who exercises and has no genetic predisposition to cardiovascular disease, skimping on sleep—or getting too much of it—can boost your risk of heart attack, according to a new University of Colorado Boulder study of nearly a half-million people. The research, published Sept. 2...