Here’s an under-the-covers look at who qualifies, what to expect, and the conditions and treatment plans a sleep study might reveal. We checked in with three top sleep experts around the country to ...

Not getting enough sleep? It could be shortening your life, a new study suggests. According to research from the American College of Cardiology released Thursday, getting the right amount of good ...

Sign up for CNN’s Sleep, But Better newsletter series. Our seven-part guide has helpful hints to achieve better sleep. A restless night may leave you feeling tired ...

At-home sleep tests are convenient and cheaper than lab studies. But there are some major differences you should know before buying. Taylor Leamey Former Senior Writer Taylor Leamey wrote about all ...

We know quality sleep is good for our overall health, but new research is pointing to its importance for brain health too. In the study, published Wednesday in online journal Neurology, researchers ...

New research suggests caffeine drinkers "may have difficulty accurately perceiving the influence of caffeine on sleep quality" Brenton Blanchet is an Associate Editor on PEOPLE's TV team. He has been ...