The secret lies in the way your brain makes sense of scents

In short, nothing good—and just one bad night can trigger a cascade of scary side effects

The teenage boy was sleeping nearly all day. And when he was awake, he felt like he was cut off from reality. What was going on?

Data on MIT students underscore the importance of getting enough sleep; bedtime also matters.

The dream within a dream may be a hybrid sleep-wake state of consciousness.

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 CU Boulder study of nearly a half-million people.

21st-century living is no walk in the park; like a swarm of mosquitoes buzzing in our ears, little numbered red dots relentlessly force themselves into our lives. And like a mosquito dipping into our flesh and depositing its saliva, social media profitably reminds us of our inadequacies, one nip at a time.

"There is no Goldilocks decade during which you can say, 'This is when I get my chance to short sleep.'"

Snoring is not a personal failing. It’s not the fault of your spouse if he or she snores. Don’t exacerbate your sleeplessness with an outburst of anger.

A drummer comes across a clever way to help you fall asleep.

Many of us struggle to remember the details of our dreams. The reasons lie in the complicated cycles of our sleep.

Your personality traits play an important part in how long you are likely to live, as much as, or even more than, other personal factors like your intelligence and your family’s economic background. Now a study in the Journal of Research in Personality has identified a key factor that mediates the personality-mortality link – sleep.

Are you struggling to catch some quality z's? Don't stress. We've rounded up some tips for creating the ultimate bedroom for sleep. 

Join thousands of people who choose 'Simply The Best' every night, and take advantage of a very special offer from 'Simply The Best' and Relax Bedding.

We’re told that getting eight unbroken hours of sleep will protect us from cancer and dementia, and make us happier. But are we being sold an impossible dream?

Sleep is an important part of the daily life cycle of most animals — including humans. But when an animal sleeps, it leaves itself defenseless in the face of danger. So, what makes sleeping so important that we all take this risk? Research, both old and new, acknowledges that sleep plays an important role in all aspects of our health. Recent studies we've covered have found that a good night's sleep can support vascular health.

Many of us have stayed up late studying for finals, working overtime, or watching cartoons until the wee hours, thinking we could catch up on all that lost sleep over the weekend. Research published Thursday in Current Biology, however, suggests that missing out on sleep during the week comes with negative health consequences that persist — even if you manage to sleep through the whole weekend.

When we were babies, paediatric doctors discouraged our parents from putting pillows under our heads. Is sleeping without a pillow the default then?

In the past, nighttime exercisers have been issued a warning: going hard around bedtime could lead to sleeplessness, but an increasing number of studies, including a study published Wednesday in Experimental Physiology, are showing that late-night exercise doesn’t disrupt sleep like previously thought.

Sleep is pretty great. In humans, evidence suggests it has a whole range of benefits, including this one: it keeps the brain healthy by letting neurons prune unnecessary synaptic connections we make during the day.