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 ...

An expert explains why your chilly bedroom might be behind your disrupted sleep and how to create a snug sleep space, even in ...

Is deep sleep better than light sleep, even if it's shorter? Experts break it all down. FG Trade via Getty Images We’ve all been there: Maybe you were frantically packing for a trip and only got a few ...

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 ...

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 ...

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 ...

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 ...