Even if you're not getting any sleep — especially if you're not getting any sleep — a sleep tracker can help. Every night when you sleep, you go through four distinct sleep stages in roughly 90-minute ...

Just because you feel rested, doesn't mean you got a quality night's sleep. The Apple Watch can now rate your rest with a ...

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 ...

Over one-third of Americans use some sort of device to track their sleep, according to the American Academy of Sleep Medicine. CREDIT: whitebalaance.space via Getty Images. Get the Popular Science ...

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 ...

Automatic sleep stage classification using neural networks represents a significant advancement in sleep research, providing a robust alternative to traditional manual scoring methods. By leveraging ...

Sign up for CNN’s Sleep, But Better newsletter series. Our seven-part guide has helpful hints to achieve better sleep. I’m captivated by my new personal health ...

People with poor scores on this sleep test show signs of faster brain ageing, scientists say - Poor sleep found linked to ...