You sleep eight hours a night and still wake up exhausted? That’s normal: sleep is only one of the seven types of rest your body needs.

Sleep comprises one third of our adult life. It is essential for normal functioning; without it, we experience memory lapses, have difficulty with concentration, experience mood alterations, become ...

I function well on around six hours a night, but now I'm wondering if I should try to sleep more and, if so, how?

When you picture the ideal night of sleep, what comes to mind? For many people, it’s (at least) eight blissful hours of uninterrupted snoozing. There’s no sound of snoring in your ear. No ...

Just like doomscrolling for hours everyday, waking up in the middle of the night has become very normal too. Most of us ...

Here’s what the science says.

We all know someone who falls asleep as soon as their head hits the pillow but how quickly we go from being awake to entering the land of nod can affect our health. Sleep latency is the term that ...

Wouldn’t it be nice if infants and children wanted to sleep exactly where we wanted to put them on a given day? No joke here – it would be wonderful, but unfortunately it’s not how most babies sleep.

Sign up for CNN’s Sleep, But Better newsletter series. Our seven-part guide has helpful hints to achieve better sleep. Getting only a few hours of sleep per day may ...

Researchers have discovered that some fish -- unlike humans -- do not need orexin to stay awake. This molecule was thought to be necessary for normal wake and sleep rhythms in vertebrates. Humans ...