Sleeping fewer than 4.5 hours and more than 6.5 hours per night is associated with cognitive decline, according to researchers. In a recent study published in Oxford Academic's Brain, a team from the ...

Share on Pinterest Data from five population studies suggest that better sleep may help protect cognitive function in adults. Image credit: ismagilov/Getty Images. A new analysis looking at data from ...

Getting the recommended seven to nine hours of solid sleep a night is key if you want to remain rested and healthy. But what happens if you find yourself clocking in less, perhaps just four hours a ...

There are several factors that can influence an individual’s memory—and sleep habits are crucial. Beyond influencing our ability to fight disease and develop immunity, proper sleep is also essential ...

In the last several years, books and articles have increasingly drawn attention to the key role of sleep in preserving good health. In the long run, better sleep may have protective effects on risk ...

You can see it coming in right there, that little spot,” says neuroscientist and engineer Laura Lewis. A remarkably bright pulsing dot has appeared on the monitor in front of us. We are watching, in ...

Without 8 or 9 hours of sleep, most of us end up staggering around like zombies. But according to a new study, some people have a genetic mutation that makes them feel perfectly alive after sleeping ...

If you find yourself waking up at 4 or 5 a.m. after going to sleep around 11 p.m. or midnight, rest assured that you aren't the only person experiencing this. You may, in fact, have a rare gene known ...