Why Does Afternoon Coffee Ruin Your Sleep? Caffeine & Adenosine Explained

Hosts Emma Sullivan and David Park break down the biochemistry of caffeine and adenosine to explain why that afternoon coffee quietly sabotages your sleep quality, even when you feel like you're falling asleep fine. Drawing on research from neuroscientists like Matthew Walker and the Johns Hopkins caffeine research group, they explore how caffeine blocks your brain's natural tiredness signals, disrupts deep sleep architecture, and why a hard cutoff time (around 2 PM) matters more than most people realize. You'll learn practical strategies to manage the afternoon energy slump without sacrificing sleep, and why this timing issue becomes even more critical as you age.Follow The Wellness Rhythm Show:  ▶️ YouTube: https://www.youtube.com/@TheWellnessRhythmShow  📖 Newsletter: https://thewellnessrhythmshow.substack.com  Powered by VoxCrea.AI