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 ...

REM sleep goes even deeper into brain recovery, dreaming and processing memories and emotions. This is the sleep stage in ...

And, believe it or not, your genetic makeup dictates whether you’re more comfortable going to bed earlier or later within ...

A recent study suggests that pink noise may interfere with REM sleep nd reduce overall sleep quality. The researchers say ...

You did it! You finally won the lottery, and you're making plans to spend all that cash ... but then you're startled awake by your alarm clock. It was just a dream (sigh). Whether or not you remember ...

Pink noise — low-frequency broadband noise often used in sound machines and sleep apps — is associated with a decrease in REM sleep and worse overall sleep recovery.

What is core sleep is on your Apple Watch, and does it even matter? We look at which sleep stages matter most for quality ...

7-9 hours remains the guideline, but not everyone needs that much sleep. Some need less, some need more. Sarah Mitroff/CNET If you find yourself asking, “How much sleep do I need?” you’re not alone.

Researchers at the University of Lausanne have identified a novel role for the brain's 'locus coeruleus' in sleep and its disruptions. This brain region facilitates the transition between NREM and REM ...

Color us surprised. Plenty of people use apps and ambient sound machines to reduce clamor and improve their sleep — but not all noise is created equal. In fact, new research suggests that a particular ...

Sound machines may not be the sleep saviors many believe. Researchers found that pink noise significantly reduced REM sleep, ...

The‍‌‍‍‌ throat's immunity is greatly compromised by late-night habits that interfere with the natural sleep cycle and immune ...