Deep sleep refers to slow-wave sleep — a stage in the sleep cycle when brain waves slow down. Getting enough deep sleep is crucial for numerous bodily functions. But how to increase deep sleep isn’t ...

This small temperature shift may make falling—and staying—asleep easier. Sleep can be a fickle thing: sometimes we succeed in staying off our phones and properly winding down before bed, but still ...

March is Sleep Awareness Month, making it the perfect time to examine one of the most powerful pillars of our well-being: rest. In a culture that glorifies busyness, sleep often becomes the first ...

This sleep stage is incredibly important.

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 ...

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

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 ...

ThisWorks Deep Sleep Pillow Spray is a popular sleep aid with over 12 million units sold worldwide. The spray uses a functional fragrance of Lavender, Vetivert, and Camomile to help calm the mind.

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 ...