Where health, longevity, and cognitive ability are concerned, here’s how to know you get the right amount of sleep.

Share on Pinterest New research suggests how well you believe you’re sleeping at night can affect your mood and life satisfaction more than what the data from a sleep tracker tells you.

On average, how many hours do you sleep each night? For most healthy adults, guidelines suggest at least seven hours of slumber. But these are general recommendations and not strict rules. “Some ...

N early half of all Americans and around 40% of Britons now use a smartwatch, smart ring, phone app or another similar device to track their sleep. Are these gadgets accurate—an ...

Sign up for CNN’s Sleep, But Better newsletter series. Our seven-part guide has helpful hints to achieve better sleep. With an early meeting in the morning, I had ...

Chances are, if you're reading this, you got some sleep last night. But are you feeling rested? Experts say it's an important question to consider. Most of us spend a third of our lives sleeping, but ...

Many people have very specific needs and habits when it comes to sleeping. One of the most common needs is either silence or light noise. Mayo Clinic suggests six tips for getting a better night’s ...

Receiving adequate sleep is usually the key to success. However, depending on your lifestyle, you may not need the whole 8 hours of rest that is usually recommended. Sleep plays a vital role in good ...

My bedroom has become a sleep lab filled with smart rings, fitness bands, and mattress covers. Here's what I learned.