Sleep is key to brain and body function, memory, physical performance, preventing chronic disease and improving mental health ...

Light sleep is the beginning of your sleep cycle and your body's way of winding down. Breathing, heart rate and muscle changes prepare your body for the deeper sleep to come. Light sleep is broken ...

Sara Moniuszko is a health and lifestyle reporter at CBSNews.com. Previously, she wrote for USA Today, where she was selected to help launch the newspaper's wellness vertical. She now covers breaking ...

Getting enough sleep is an important part of a person’s overall health. Poor sleep is a risk factor for cognitive issues such as memory loss. Researchers from Charité – Universitätsmedizin Berlin have ...

If heartburn is keeping you awake after overindulging in a large meal, try lying on your left side. Stanford scientists say ...

Now that we have wearables tracking our every move, a lot of us can look at stats that supposedly tell us how well we’ve slept the night before. But sometimes, it can feel like your sleep tracker is ...

“There is increasing evidence that sleeping in a cooler room can, in fact, improve sleep quality, but it’s not just about ...

Few experiences rival the calm satisfaction of falling asleep easily and waking up feeling fully rested. But sleep is more than a luxury or idle downtime, it’s a vital biological process that supports ...

Sign up for CNN’s Sleep, But Better newsletter series. Our seven-part guide has helpful hints to achieve better sleep. Need another reason to prioritize your sleep ...

Share on Pinterest Research has found that deep sleep is crucial for the formation of memories. Amor Burakova/Stocksy Getting enough sleep is an important part of a person’s overall health. Poor sleep ...

WASHINGTON — Need another reason to prioritize your sleep? Not spending enough time in the two deep stages of sleep — slow-wave and rapid eye movement sleep — may hasten the deterioration of parts of ...