Sleep

Napping is linked to hypertension in middle-aged and older Chinese women, lower sperm count and better memory retention.

The study involved over 500 women of a range of ages.

Sleep inertia is the reduction in alertness and cognition that people experience up to four hours after waking.

Curtains that won't shut? Noisy hallway? The Benjamin Hotel's sleep expert shares the secrets of how to sleep better when you're away from home.

A new study in the medical journal "Neurology" shows that older adults are more vulnerable to strokes if they oversleep and avoid activity.

Wakefit, an Indian start-up that describes itself as a "sleep solutions company," is hiring a number of sleep interns to test out their products.

In an article published in JAMA Neurology on Monday, three Vanderbilt neurologists cited evidence of the detrimental effects of time changes on the brain, particularly the negative impact they may have on circadian rhythms.

Sleep "should be considered as vital as exercise and diet," an expert told "Newsweek."

According to the researchers, this is the first study to look at the physical and mental side effects of keeping up with politics.

Scientists studied people with strange sleep patterns who visited clinics.

You'll never need to check your phone in the middle of the night again.

Scientist studied tiny, transparent fish to learn more about sleep.

What Pokémon would be best to help you be a better sleeper?

It can have an impact on chronic pain, sleep, mood and more.

Social media, which can in turn eat away at sleep, could be to blame, researchers believe.

The Benjamin Hotel offers bedtime snacks, meditation, a menu of 10 pillow types and a sleep concierge who can help you get the perfect night's rest.

Ditching the 9 to 5 work day could make night owls healthier and more productive.

His new comrades recognized a kindred spirit through his sleepy protest.

Scientists investigated whether deep sleep was associated with lower levels of a plaque thought to cause Alzheimer's disease.

High schools that start at later times in the day allow students to get more sleep without moving their bedtime and are correlated with improved grades and better attendance. 

"What's wrong with my nap?" asked the president, who is in Singapore this week to attend the Association of Southeast Asian Nations meeting.

Thirty percent of children don't meet any recommended guidelines at all.

Investigators are taking another look at the shooting, which was initially deemed accidental.

Levels of an important protein increase after eating foods high in unsaturated fats, like olive oil.

Researchers have found two key genes which may be crucial to dreaming.

In comparison, sleeping fewer than seven hours per night did not increase the risk of mortality or heart disease.

"I'm already thinking I know the character more than Stephen King."

And without the harmful side effects of radiation.

A sleep researcher explains.

The bed becomes a minifortress—or sarcophagus—upon detection of a quake.