It's likely that the alarm clock has been a necessary evil in your life for as long as you can remember. Its sweet silver lining is the snooze button—or is it?

Along with caffeine, diet and other lifestyle factors, our demographics—like gender and age—play a huge role in our quality of sleep. A study1 by the Better Sleep Council (BSC) found a particularly acute divide between women and men in the U.S., with women representing 57 percent of America’s poor sleepers and only 42 percent of its excellent sleepers. Here’s a...

Friendships and other social relationships are great for our mood and well-being, and it turns out they’re healthy, too. Here are five reasons—that may surprise you—to nurture and treasure your friendships.

If you live in a city that never sleeps, does that mean you don’t get to, either? Some people struggle more than others with the effects of city noises and bright lights, but there’s no doubt they can make your sleep more fitful and make it harder for you to get as much shut-eye as you really need. How noise...