Non-REM sleep helps regenerate skin, bone, muscle, mood, and blood sugar, provides energy, and detoxifies, according to nutritionist Anjali Mukerjee.

According to Dr Thomas Paloschi, sleep works like a medicine to detox the body and repair it. Losing sleep thus actively harms one's health.

If you’re looking to get the best night’s sleep in 2026, then you need to be focusing on your REM sleep. I’ve been testing a Luna smart ring for the past few weeks, and its sleep features have been my ...

Moreover, they stated that comprehending sleep cycles could "help you improve your sleep hygiene and wake up feeling truly refreshed". They noted that most people view sleep as merely the absence of ...

Rather than promoting better quality sleep, pink noise and other ambient noises may harm sleep quality more generally.

Sound machines may not be the sleep saviors many believe. Researchers found that pink noise significantly reduced REM sleep, while simple earplugs did a better job protecting deep, restorative sleep ...

Obstructive sleep apnea, a condition that causes lower oxygen levels during sleep, is linked to degeneration of brain regions associated with memory through damage to the brain's small blood vessels, ...

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 ...

According to Dr Thomas Paloschi, sleep works like a medicine to detox the body and repair it; Losing sleep thus actively harms one's health.