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The Case for Not Sharing a Bed

Holly Allen thinks she'd be happier in her own twin

(Newser) - Holly Allen would beg to differ with the idea that the happiest couples sleep less than an inch apart . She recently found herself going to bed in her own guest room when her husband was sick, and despite the fact that the room only has a twin bed, she had... More »

Happy Couples Sleep Very, Very Close Together

As in, less than an inch apart: study

(Newser) - It may be better for your health to sleep in a separate bed than your partner—but a new study finds that the happiest couples are those who sleep close together. Very close together, as in less than an inch apart. A survey of 1,000 people found that those... More »

Napping Linked to Early Death: Study

But is napping the cause, or just a symptom? It's unclear

(Newser) - We all know how important it is to get enough sleep—but a new study suggests that daytime napping may actually increase your risk of an early death. Researchers looked at more than 16,000 British adults over a 13-year period, and found that those who slept for an hour... More »

Lack of Sleep Can Fry 25% of Brain Cells

Study of mice finds brain damage with prolonged sleep loss

(Newser) - A lack of shut-eye may not just leave you feeling groggy—it could seriously injure your brain. A new study of mice has found 25% of brain cells died off after prolonged sleep loss, meant to duplicate night shifts or long hours at the office—the first evidence of its... More »

Study: Men, Women Have Very Different Nightmares

But they're not always fear-filled: study

(Newser) - Men and women needn't be awake to experience the world differently, a study suggests: Even our bad dreams are quite different. A study of the dream journals of 572 people found that women's disturbing dreams tend to focus on social conflicts—friendships and romances gone south, for instance.... More »

You'll Perform Better If You Think You Slept Well

Sleep is subject to the placebo effect: study

(Newser) - Got a big day ahead? You're better off thinking you slept well, even if you didn't, a study suggests. Researchers told subjects a normal night of sleep consisted of about 20% to 25% REM sleep. Less than 20%, the subjects heard, meant a worse performance on cognitive tests,... More »

All-Nighters May Cause Brain Damage

Maybe get that studying done early

(Newser) - Another reason not to leave homework to the last minute: Pulling an all-nighter may cause brain damage, a study suggests. Researchers in Sweden studied 15 healthy men who were allowed one night of eight-hour sleep and one night of none at all, the National Monitor reports.The subjects provided blood... More »

You'll Sleep Worse After a Nightcap

Even if you drift off more easily

(Newser) - A nightcap might help you drift off—but don't expect a good night's sleep for your trouble. In the 1970s, researchers gave subjects each between one and six drinks a half-hour to an hour before bedtime. Those who had more booze fell asleep quicker, but during the second... More »

It's Not Really the Turkey That Makes You Tired

It's the mountains of carbs you have with it

(Newser) - Contrary to what you learned while watching Seinfeld , the turkey you're about to eat today is not the true reason why you're bound to crave a nap after dinner. Where the myth stems from: It's true that the amino acid tryptophan is found in turkey, and when... More »

Brain Wipes Out Toxins While We Sleep

Functions 'like a dishwasher': researcher

(Newser) - Feeling a bit muddled after a sleepless night? It may be because your brain didn't get a chance to flush out built-up toxins, NPR reports. While we're asleep, the brain acts, in a researcher's words, "like a dishwasher"—at least in animals studied, including mice... More »

Kids With Set Bedtimes Are Better Behaved

Not having a fixed bedtime is like having jetlag, say researchers

(Newser) - New research has uncovered one secret behind well-behaved kids: they have regular bedtimes. The study, published today in Pediatrics, asked parents and teachers to rank the behavior of more than 10,000 7-year-olds, finding those without a consistent bedtime were reported as more hyperactive and with more social and emotional... More »

Sleep Apnea Treatment Could Improve Your Looks: Study

Some study participants even thought wrinkles diminshed

(Newser) - Beauty sleep may not be just an expression anymore: New research suggests sleep apnea patients look better after at-home treatments for their disorder. Newsy reports: More »

8.6M Americans Take Pills to Sleep

Use more common among women, older people

(Newser) - About 4% of Americans aged 20 and older—some 8.6 million of us—turn to prescription drugs like Lunesta and Ambien to catch a few winks, a study finds. In the first federal study on usage, researchers followed 17,000 people between 2005 and 2010. A quarter of them... More »

The Full Moon Messes With Your Sleep

Even when we don't know about it: study

(Newser) - OK, you probably won't become a werewolf, but there is evidence that the full moon really does take a toll on people—even if they don't know it's out there. Scientists reviewed data in which subjects slept in a darkened room where they couldn't see the... More »

How to Cope With Being Sleep Deprived

Ideally? Take a nap

(Newser) - If you justified sleeping until 11am today by telling yourself you needed to "catch up on your sleep," well, there's some truth to your theory. The Wall Street Journal talks to sleep expert W. Christopher Winter, who says that "nobody knows how long the horizon is,... More »

US Kids Seriously Sleep-Deprived

Experts say smartphone use at night may contribute to sleep deprivation

(Newser) - The US has the most sleep-deprived pupils in the world, and the late-night glow of smartphones and laptops is probably contributing to a lack of slumber. A study out of Boston College finds that US students are sleep-deprived at a rate almost 30% higher than the international average, with 73%... More »

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 »

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 »

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 »

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