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August 11, 2015 Controllers who were closely monitored averaged 5.8 hours of sleep a day during the workweek. The number of hours dropped to 3.25 ahead of midnight shifts.
June 9, 2015 A review of the medical evidence finds that therapy can break the cycle of chronic sleeplessness by addressing the anxieties that cause many people to stay awake.
Workers try to remove some of the 11 million gallons of oil spilled by the Exxon Valdez off Alaska in 1989. The ship's third mate may have been up for 18 hours before the accident.
May 12, 2015 Megadisasters like Chernobyl and the Exxon Valdez oil spill were set off by people who were sleep-deprived. Researchers say they're able to pinpoint how lack of sleep derails decision-making.
To sleep, perchance to consolidate important connections in far-flung parts of the brain.
Alberto Ruggieri/Illustration Works/Getty Images
April 14, 2015 No wonder the brain needs so much energy. The same coordinated activity that allows you to retrieve a specific memory, like what you had for breakfast, continues at rest and even during sleep.
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It's hard to sleep when the light's on and the monitor's beeping.
Roderick Chen/Getty Images
March 19, 2015 Hospitals are notoriously difficult places to sleep, despite efforts to make them less noisy. Cheap, simple workarounds can help, a study says. Taking the sleep hormone melatonin helped the most.
The American Academy of Pediatrics says middle and high schools shouldn't start before 8:30 a.m., so students can get enough sleep.
February 17, 2015 Just half of parents say schools should start later so teenagers can get more sleep, a survey found. But most of the parents also weren't aware that pediatricians have called for a start of 8:30 a.m.
January 16, 2015 Missing out on sleep can lead to more than grumpiness. Teenagers who aren't getting enough sleep are also more apt to binge drink, a study finds, even years later.
Most of the children in this study said they slept with a smartphone or iPod.
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January 5, 2015 Lots of children have smartphones tucked under the pillow or on the nightstand. That may be enough to compromise sleep and make children feel less rested, a study finds.
Sleep well, young lad, so we can hear you tell us all the details in the morning.
G. Lynn Sumner Co./Blue Lantern Studio/Corbis
November 20, 2014 During sleep, the brain locks in existing memories and can even form new ones. Scientists say they are starting to understand how that happens. A midnight snack may interfere.
November 20, 2014 Anthropologist Barbara J. King says the cross-cultural norm for sleep deviates significantly from the long, uninterrupted night of rest insomniacs may dream about — if they can sleep enough to dream.
Research suggests that young children who don't get enough sleep are more likely to be obese by the time they hit age 7.
May 19, 2014 Need another reason to get the kids to bed on time? The more sleep young children miss out on during early childhood, the more likely they are to be obese at age 7.
April 3, 2014 People who are exposed to light earlier in the day are slimmer, a study finds. That doesn't mean morning sunshine helps people lose weight. But it matches other evidence on light and health.
December 16, 2013 More and more people are using sleeping pills, but they can have side effects, including dangerous drowsiness the next morning. Sleep specialists say the best way to get a good night's sleep is to have a sleep routine, including going to bed at the same time each night.
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October 17, 2013 While mice sleep, their brain cells shrink, allowing cerebrospinal fluid to flow easily around them. The fluid can then clear away toxins. This finding appears to offer the best explanation yet of why animals and people need sleep.
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Play now, pay later: consistency matters when it comes to kids and sleep.
October 15, 2013 Random bedtimes have more influence on a child's behavior than going to bed late, a British study finds. That was true at home and at school. Researchers say that failing to hit the hay at the same time every day may mess up circadian rhythms and brain development. Fortunately, the ill effects are reversible.
Napping in class may be common, but it's also a sign that kids need more sleep.
March 1, 2013 Getting enough sleep is as crucial as eating well and exercising. But with family life spinning faster and faster, solid shut-eye is sometimes hard to come by. That can hurt kids' health — and increase their weight.
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U.S. Army Pvt. Freymond Tyler sleeps on a laptop next to his gun at combat outpost Makuan in Kandahar province, Afghanistan, in 2011.
Romeo Gacad/AFP/Getty Images
November 8, 2012 A study finds combat soldiers who were heavy users of energy drinks were more likely to sleep less than four hours a night. But is the popularity of the drinks contributing to sleeplessness or just a reflection of it?
Many Americans aren't getting the recommended seven to nine hours per night.
October 17, 2012 Researchers have found that fat cells become less responsive to insulin when sleep is lost. Over the long-term, fat accumulation can set the stage for Type 2 diabetes, fatty liver disease and weight gain.
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How much does noisy traffic in Atlanta affect people's health?
September 11, 2012 Too many bad nights' sleep can raise the risk of heart attack and high blood pressure. Researchers say highway noise should be added to the list of environmental pollutants.
Getting to no more tears.
September 10, 2012 Researcher say parents don't need to worry about their babies being emotionally scarred by crying while they're learning to sleep. Techniques like controlled comforting and camping out for managing infant sleep are quite OK, they say.
Swaying to and fro can help you rest easier.
June 20, 2011 A gentle rocking motion makes people fall asleep faster. And they sleep more deeply, their brains waves show. Swiss researchers say the changes in brain activity are a surprise.
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