Muscle loss doesn’t just happen in the gym — it happens while you sleep. In this video, Dr. Berg explains the real reason people lose muscle overnight, and how one specific food eaten before bed can stop it in its tracks. Backed by science, this simple nighttime strategy supports muscle growth, boosts metabolism, balances insulin, and enhances recovery. You’ll learn the metabolic role of growth hormone, the importance of casein protein, how to avoid cortisol-triggered catabolism, and a step-by-step nighttime protocol to preserve lean muscle while you sleep — especially if you're over 40. Don’t miss this if you want to age strong, lean, and pain-free. 🔔 Subscribe for more real health answers — backed by science and explained simply. ⏱️ Timestamps with Emojis: 0:00 ⏳ Why Muscle Loss Happens While You Sleep 1:57 💥 The Consequences of Overnight Catabolism 3:43 🧬 Growth Hormone, Cortisol & Muscle Breakdown 6:25 🍽️ What You Eat Before Bed Matters 8:41 🥄 Best Pre-Bed Protein to STOP Muscle Loss 11:58 🔥 Common Mistakes That Sabotage Overnight Repair 14:15 🧪 Casein vs Whey: Which Wins at Night? 16:04 🛌 Full Nighttime Protocol (Sleep + Nutrition) 18:32 🧘 Natural Sleep & Hormone Balance Tips 20:40 🧭 Final Takeaways & Your 3-Day Challenge Senior Health, Eric Berg, Deep Dive Health, Peter Attia, Health 365, Healthy Everyday, Senior Zone, Wellness Guide 101, Health book, Healthy Habitat, Sehat Mag, Dr. Eric Berg Dc, Forever Health, Health Guide, Andrew Huberman, Huberman lab, Sten Ekberg, Mark Hyman MD, Life After 70, muscle loss at night, casein protein before bed, overnight muscle repair, sleep and muscle growth, how to prevent muscle loss, pre-bed protein, Dr. Berg muscle, functional medicine, metabolic health, growth hormone during sleep, cortisol and sleep, amino acids for sleep, anti-aging tips, insulin and muscle loss, muscle loss over 40, fat burning while sleeping, best foods before bed, stop losing muscle, protein timing, muscle recovery at night #MuscleLoss #SleepRecovery #CaseinProtein #DrBerg #MetabolicHealth #GrowthHormone #FatBurning #Over40Health #StopMuscleLoss #NighttimeNutrition #InsulinBalance #NaturalHealth #MusclePreservation #AntiAgingTips #HealthySleep #CortisolControl #FunctionalMedicine #ProteinBeforeBed #AminoAcids #MuscleRepair Best food to eat before bed to prevent muscle loss How to stop muscle breakdown while sleeping Does casein protein build muscle overnight? What causes muscle loss during sleep? Nighttime muscle building routine for seniors ⚠️ Disclaimer: This video is for informational purposes only. It is not intended to diagnose, treat, cure, or prevent any disease. Always consult with your healthcare provider before making changes to your diet, supplement, or exercise routine.