sleep

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15 Sad, Strange Things That Keep Us Up at Night

...but some are wonderful, too

(Newser) - What keeps Americans up at night? Thanks to a joint venture between a Knoxville public radio station and the University of Tennessee, that's being revealed, at least through an East Tennessee lens. The crowdsourcing project, dubbed Tenn Words, began in mid-May. Residents are asked to anonymously answer the question... More »

Women Sleep More, Wake Up Feeling Worse

The alarm-clock app Sleep Cycle delves into sleeping habits

(Newser) - For women who sleep long hours but wake up cursing the day, there's an app for that—or at least an app that corroborates your experience. The alarm-clock app Sleep Cycle gathered stats on one million users across 50 nations over nine months, and found that women aged 16... More »

What Your Sleepwalking Means for Your Kids

Sleep terrors appear to increase the chance of sleepwalking, too

(Newser) - Kids whose parents sleepwalked are more likely to do it themselves—and sleep terrors may be a precursor to sleepwalking as well, according to a new study out of Montreal published this week in the journal JAMA Pediatrics . Not that sleepwalking, also called somnambulism, is necessarily a big deal. "... More »

Wear Orange Glasses to Get Better Shut-Eye

Tinted eyewear, filters block blue light emitting from electronic devices: study

(Newser) - You may be tempted to stay up to check out all the new late-night TV hosts , but make sure you've got your orange glasses on first. Various studies and expert opinion suggest that special filters, light bulbs, and the aforementioned orange-tinted eyewear can help block melatonin-disrupting blue light emitted... More »

For More Sex, Get More Sleep

Every extra hour makes sex likelier, researchers say

(Newser) - Women who sleep more are a lot more likely to do other things in bed, according to a new study. Researchers from the University of Michigan's Sleep and Circadian Research Laboratory tracked 171 college-age women over 14 days and found that those who got more sleep had more—and... More »

Meet a Woman Who Needs Just 4 Hours of Sleep Per Night

Jenn Schwaner, 43, still finds days are too short

(Newser) - By normal human standards, " short sleepers " need hardly any shut-eye: They feel dandy after about four hours of sleep. The Science of Us speaks to Jenn Schwaner, a 43-year-old with a long resume as a court reporter who says she tends to get "about three or four... More »

How More Than 8 Hours of Sleep Could Be Bad for You

Study ties it to increased stroke risk

(Newser) - Sleeping more than eight hours a night? That may be too much of a good thing, because you're more likely to suffer a stroke, according to a study out of the University of Cambridge. Researchers analyzed the sleep patterns of nearly 10,000 people ages 42 to 81 in... More »

Experts Figure Out Exactly How Much Sleep You Need

Sorry, working-age adults: It's still 7-9 hours

(Newser) - Feeling so tired today? Perhaps last night's amount of shut-eye didn't jibe with the National Sleep Foundation's updated recommendations. In a newly published report in Sleep Health , the nonprofit foundation sets its objective: "to conduct a scientifically rigorous update to the [its] sleep duration recommendations,"... More »

6 Reasons Why You Should Sleep Naked

Ditch the pajamas and reap the benefits

(Newser) - Pack away the flannel pajamas: A handful of studies and surveys show sleeping naked could actually be good for you. Six reasons why you should consider it:
  1. You may like your partner more: A 2014 survey of Brits by Cotton USA (which promotes cotton products that likely include both pajamas
... More »

Key to Babies' New Memories: Naps

Researchers find babies who napped soon after an activity remembered it better

(Newser) - It's long been thought that napping is an important part of a baby's growth—both physically and mentally. Now new research in the Proceedings of the National Academy of Sciences suggests that naps help babies form new memories, and that when a nap directly follows a new activity... More »

Screens Mess With Our Sleep—Even If We Get 8 Hours

'Blue light' affects melatonin levels, which can have dangerous long-term effects: study

(Newser) - Your iPad or smartphone could well be hurting your sleep patterns, even if you're getting in a full eight hours of shuteye, researchers say—and the effects could be long-term. Over a five-night period, researchers in Boston had some subjects read for four hours a night on an iPad;... More »

Dementia Linked to Bad Night's Sleep

Researchers say low oxygen levels cause abnormalities in brain

(Newser) - We're all familiar with that sluggish feeling after a bad night's sleep. Now researchers believe sleep disturbances spark changes in the brain that may lead to dementia, according to a new study. The key to this connection is low oxygen in the blood during sleep. The culprit? Conditions... More »

Want to Worry Less? Go to Bed Earlier

What time you turn in may play a role in your anxiety level

(Newser) - Those who feel stressed and anxious all the time might want to try one simple remedy before others: Go to bed earlier. It's not just a matter of getting a good night's sleep, however. Researchers at Binghamton University say that when you go to sleep matters when it... More »

55% of Infants Sleep in Dangerous Way

They're put to bed with pillows, quilts, comforters, loose bedding, study finds

(Newser) - Cold temps may be upon us, but a new study published in Pediatrics has a message for the parents of the 55% of infants who are put to bed with a blanket, quilt, comforter, or pillow: Don't do it. The federal study is the first to attempt to quantify... More »

When School Starts Earlier, Teen Car Crashes Rise

Study compares accidents in 2 similar counties

(Newser) - School start times may be more than just annoying for teenagers: They could actually be dangerous, a study reported in the New York Times suggests. Researchers studying two demographically similar counties in Virginia found that crash rates among 16- to 18-year-olds were higher in the county where teens must wake... More »

Scientists Determine Your 'Optimal' Amount of Sleep

7.6 hours for women, 7.8 hours for men

(Newser) - Suspect you're not getting enough sleep? You can now verify whether that is indeed the case. In a study published last month in the journal Sleep , researchers claim to have determined exactly how much sleep we need: 7.6 hours for women and 7.8 hours for men. The... More »

Why You Should Nap After Coffee

'Coffee naps' produce maximum alertness, scientists say

(Newser) - Debating between a cup of joe or a short nap to make it through the day? Perhaps you should try both. Scientists say a "coffee nap"—having a cup of coffee and then a 20-minute nap—will allow for maximum alertness when you wake, Vox reports. Yes, caffeine... More »

Windowless Offices Cut Workers' Sleep

Researchers point to health issue

(Newser) - No windows in your office? You may be losing sleep over it—literally. Researchers surveyed 22 workers getting natural light exposure and 27 others missing it; they found that those who were getting the exposure at work got an extra 46 minutes of sleep during the work week and reported... More »

One Consequence of Lack of Sleep? False Memories: Study

Study finds sleep-deprived participants more likely to misremember details

(Newser) - Sleep deprivation isn't good for any part of your body, but a new study says it can take a really devastating toll on your memory—finding loss of sleep can leave people with false or inaccurate memories. To get the results, researchers at Michigan State University and the University... More »

8 Hours of Sleep? 7 Might Be Better

CDC is working on new guidelines

(Newser) - How much sleep do you need? The CDC is coming out with new guidelines next year, but a spate of recent research suggests that seven hours is close to the magic number, not eight, reports the Wall Street Journal . Because requirements change from person to person, however, experts suggest spending... More »

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