Improve Deep Sleep Naturally: Science-Backed Guide If you wake up feeling heavy, foggy, or like you “never really slept,” the problem usually isn’t the number of hours—it’s the quality of those hours. Specifically, how much deep sleep you’re getting. Deep sleep (slow-wave sleep) is when your body repairs tissue, releases growth hormone, cleans out metabolic waste from the brain, and resets your emotional and physical recovery systems. Neuroscientists like Dr. Andrew Huberman and sleep experts like Dr. Matthew Walker consistently highlight deep sleep as one of the most powerful levers for long-term health and performance. The good news? Deep sleep isn’t random luck. You can dramatically improve it with a few science-backed habits. This guide shows you how to naturally increase deep sleep, starting tonight. What Deep Sleep Actually Is (and Why It Matters) Your sleep cycles between two main states: NREM (non–rapid eye mo...

Supplements Animal Pak Review: The Complete Multivitamin for Athletes — and Then Some Affiliate disclosure: I may earn a commission if you purchase via links on this page — at no extra cost to you. A “training pack,” not just a multivitamin: vitamins, minerals, aminos, antioxidants, and digestive support. Buy Animal Pak on Amazon How I Take It (1 Pak vs 2) TL;DR: I’ve used Animal Pak since the late ’90s because it behaves like a training pack , not just a basic multi. It combines elevated micronutrients with amino acids, antioxidant/phytonutrient blends, digestive enzymes, and absorption support — the “and then some” most multis skip. In this article: Why Animal Pak still matters What’s inside (and why most multis fall short) What each complex does (benefits & purpose) Supplement Facts (1 Pak) How it compares to standard multi...

Sleep Optimization: From Jet-Lagged to High-Performance Sleep Recovery Circadian Rhythm Published November 11, 2025 · 20–25 min read Deep sleep emerges from light timing, temperature, nutrition, movement, and stress regulation working in sync. Disclosure: As an Amazon Associate, I earn from qualifying purchases. Some links below are affiliate links marked as Sponsored . Great sleep is a physiological technology. It resets metabolism, repairs muscle, consolidates memory, and stabilizes mood. When circadian timing drifts—late-night light, irregular meals, stress—we feel it: low energy, brain fog, sugar cravings, and plateaued training. In this guide: Why sleep is your highest-leverage recovery tool The biology of sleep: circadian rhythm, adenosine & temperature Huberman’s core protocol (light, movement, temperature, caffeine) Nutrition & suppleme...