The Glymphatic System: How Your Brain Detoxes at Night

The Brain’s Sewage System I used to think of sleep as a passive state. You turn off the lights, the body goes offline, and eight hours later, you reboot. I thought the only “repair” happening was my muscles knitting themselves back together after a workout. I was wrong. When I started my journey to fix […]

Deep Sleep vs. REM: How to Read Your Hypnogram

You wake up, grab your phone, and stare at a colorful bar chart generated by your smart ring or watch. It says you spent 45 minutes in “Deep Sleep” and 2 hours in “REM.” But you feel exhausted. The next night, the numbers flip, but you feel great. What is actually happening inside your brain? […]

How Much Deep Sleep Do You Need? Age Chart & Norms 2026

You wake up, check your smart watch, and panic. The screen says: “Deep Sleep: 18 minutes.” According to the internet, you should be getting hours of deep restorative sleep. You feel tired, sure, but are you dying? Is your brain deteriorating? This phenomenon is so common it has a name: Orthosomnia — the anxiety caused […]