Is it true that we yawn when our brains are deprived of oxygen? Most of us can feel a yawn coming on. The muscles in our jaw begin to tighten, our nostrils might flare, and our eyes might tear up as ...

Sign up for CNN’s Sleep, But Better newsletter series. Our seven-part guide has helpful hints to achieve better sleep. Find yourself yawning a lot? Do you need that ...

WASHINGTON -- DO YOU YAWN THROUGHOUT THE DAY OR GET SLEEPY WHILE DRIVING? DOES YOUR FAMILY COMPLAIN ABOUT LOUD SNORING? N YOU MIGHT BE ONE OF THE MILLIONS OF AMERICANS WITH UNDIAGNOSED SLEEP APNEA, ...

Among the occupations that get the shortest amount of shuteye each night, several make life-and-death decisions regularly. And members of one profession on the list carry guns on the job. Anybody need ...

Yawn. Nice nap? After Thanksgiving dinner, I mean. This holiday got me to wondering about why we yawn. And guess what? We don't know. Yep, the whole yawning thing appears to be a big mystery to ...

Many of the videos suggest social mirroring, which happens when individuals unintentionally imitate the actions of others, along with empathy, may be why some people yawn when they see others do it ...

Keep up-to-date with everything that happens in your world.