sleep deprivation

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A Week of Bad Sleep Alters Your Genes

Study finds 'dramatic changes' taking place within days

(Newser) - Sleeplessness starts to bring about dramatic changes in the body within just a few days, disrupting hundreds of genes, hindering the body's ability to repair itself, and raising the risk of illnesses linked to immunity and stress, according to new research. Researchers analyzed the blood of subjects after they... More »

Chill! You'll Get Way More Done

Human-energy expert urges us to relax and get some sleep

(Newser) - Wake up tired, scroll through email, wolf down whatever, rush to work, and scramble to keep up—and that's just your morning. Sound familiar? A man who has built a business around telling people to relax makes his case in the New York Times : "Paradoxically, the best way... More »

22 Veterans Commit Suicide Each Day

Rate up 20% from 2007 study

(Newser) - Some 22 US veterans commit suicide on a daily basis, a new VA study finds, marking a jump of about 20% from a 2007 study. And it's unlikely that the Iraq and Afghanistan wars are the key factor in the increase: More than two-thirds of the suicide victims are... More »

1 in 24 Admit Falling Asleep Behind Wheel

CDC survey suggests drowsy driving is a real problem

(Newser) - A big CDC survey finds that 1 in 24 Americans admit to nodding off while driving at least once, reports AP . What's worse, officials think the number is probably higher because people often don't remember doing so. Men are more likely to fall asleep, as are those ages... More »

5 Myths About Shut-Eye

You don't really need 8 hours, expert says

(Newser) - Still sleeping off those Thanksgiving leftovers? Then let's consider a few myths behind the science of sleep: At the Washington Post , sleep expert Till Roenneberg lists five:
  • That eight-hour thing. There's no one perfect amount of sleep that's right for everyone. Only 27% of people sleep eight
... More »

Dolphins Can't Sleep Because of Annoying Tourists

Animals sleep during day; hunt at night

(Newser) - Dolphins in Hawaii are losing sleep over annoying tourists: A local species known as spinner dolphins likes to slumber during the day and feed at night. But kayaking tourists, eager to view the dolphins' skillful acrobatics, are harassing the marine animals during daylight hours, leaving them tired and cranky, reports... More »

Psychologist: Lack of Sleep Caused Pilot's Meltdown

Deprivation behind Clayton Osbon's 'brief psychotic disorder,' he testified

(Newser) - The JetBlue pilot who had a bizarre in-flight meltdown earlier this year was seriously short on sleep, a psychologist testified, according to a court transcript obtained by the AP . The neuropsychologist told Clayton Osbon's trial that the pilot had "a brief psychotic disorder" due to lack of sleep.... More »

Devoted Sports Fan Dies From Exhaustion

Jiang Xiaoshan stayed up for 11 nights, working the next day

(Newser) - A Chinese soccer fan has paid the ultimate price for supporting his favorite teams, the Telegraph reports. Jiang Xiaoshan, a fan of France and England, died this week from exhaustion after staying up for 11 sleepless nights to watch every Euro 2012 match-up. With the time difference, he watched games... More »

Sleep Deprived? You're at Risk for a Stroke

Less than 6 hours quadruples danger

(Newser) - Getting less than six hours of sleep per night? It may be time to rethink your schedule. Some 30% of American working adults sleep less than six hours—thus quadrupling their risk of stroke, compared to those who get seven or eight hours, a new study finds. It's the... More »

Unnatural Sleep Schedules Can Make You Fat

People who disrupt biological clocks have higher BMIs

(Newser) - Your alarm clock could be making you flabby, suggests new research. People who force themselves to maintain schedules that are different from their natural sleep routines are more likely to put on the pounds, reports LiveScience . Researchers collected data from more than 65,000 Europeans and found that for every... More »

41M US Workers Sleep Deprived

That's 30% of workforce: CDC

(Newser) - Tired? It's no surprise: You're just one of 41 million American workers who suffer from lack of sleep, according to a survey of 15,000 people by the Centers for Disease Control. That's some 30% of the civilian workforce, and it's no small matter, the CDC... More »

Fatigue Can Make You Fat

Tired research subjects ate hundreds more calories per day

(Newser) - You better be sleeping enough or you'll plump up, say scientists: Tiredness and sleep-deprivation may lead to snacking. A new study by the Mayo Clinic found that people who got less sleep than a normal night consumed hundreds more calories the next day compared to people who get a... More »

10 Most Sleep-Depriving Careers

Home health aides, lawyers, and ... economists?

(Newser) - Who is getting the least sleep? The Economix blog at the New York Times takes note of a list from the National Health Interview Survey: More »

Kids Have Been Short on Sleep for 100 Years

At least if official recommendations are any guide

(Newser) - If doctors' recommendations are accurate, then kids have been sleep-deprived for more than a century. Researchers reviewed dozens of sets of sleep guidelines dating from 1897 to 2009 and compared them to data on how much sleep kids actually have gotten over the years. They found that kids have consistently... More »

Lack of Sleep Kills Men's Sex Drive

Testosterone levels drop without enough shut-eye

(Newser) - It's important to get a good night's sleep for lots of reasons: mood, proper cognitive functioning, and, this just in, sex. A study from the University of Chicago suggests that men who don't routinely grab quality shut-eye have less of a desire to do other things in... More »

Too Much Sleep Is Bad for You, Too

It can age your brain by up to seven years, researchers warn

(Newser) - Yet another reason to stress out about how much sleep you get: A new study shows that you can age your brain by up to seven years by getting too little sleep—or too much sleep. University of London scientists tested memory, reasoning, vocabulary, and other areas, and determined that... More »

You Don't Need 8 Hours of Sleep ... in a Row

It's more natural to sleep in two four-hour shifts

(Newser) - If you often wake up in the middle of the night and can’t fall back asleep right away, you probably call it “insomnia”—but it might actually be more natural than sleeping for eight hours straight. "The dominant pattern of sleep, arguably since time immemorial, was... More »

Rest Up, Look Hot: Beauty Sleep Is Real

Better-slept people look healthier, more attractive

(Newser) - The notion of “beauty sleep” is no myth: people who get more sleep are more attractive, new research suggests. A researcher in Sweden took mid-afternoon photos of 23 people between the ages of 18 and 31; some had gotten plenty of sleep the previous night, while others hadn’t... More »

Sleeping In Will Help at Work

Sleep hard on Sunday, and you'll feel better on Monday

(Newser) - Sleeping in on Saturday or Sunday could boost your energy and productivity on Monday, according to a new study. Just one extended snooze—think 10 hours or more—can help the brain recover from a week of not sleeping enough, a University of Pennsylvania researcher tells the Daily Telegraph . “... More »

Later School Start Time Means Happier Students

Adolescents need lots of sleep, have odd body clocks

(Newser) - Starting high school classes just 30 minutes later leads to marked improvement in students' moods and even their overall health, CNN reports . Teens need 8½ to 9¼ hours of sleep a night, and biological changes associated with adolescence mean they naturally fall asleep later than younger kids. In a small... More »

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