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 ...

A good night's sleep does more than just help you feel rested--it might literally clear your mind. A new study shows how deep sleep may wash away waste buildup in the brain during waking hours, an ...

Deep sleep is one of the most essential stages of the sleep cycle, playing a vital role in how well you feel both physically and mentally. Often referred to as slow-wave sleep or delta sleep, this ...

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 ...

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 ...

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 ...

Forbes contributors publish independent expert analyses and insights. Jesse Pines is an expert in healthcare innovation and wellness. Cooling mattresses offer precise temperature control that may ...

Caroline Igo (she/her/hers) was a wellness editor at CNET and holds Sleep Science Coach and Stress Management certificates from the Spencer Institute. She received her bachelor's degree in creative ...