by Valerie Merrill | Jun 2, 2025 | Aging, Brain Health, Longevity, Sleep
Deep sleep—also known as slow-wave sleep (SWS)—is the most restorative part of your sleep cycle. It’s when your brain cleans itself, your body heals, and your memories solidify. But thanks to stress, screens, caffeine, and aging, many of us aren’t getting enough of...
