Coffee doesn’t wake your brain — it tricks it. When you drink coffee, your brain feels awake… but something very different happens inside. Too much coffee can cause anxiety, shaky focus, and a hard energy crash later. In small amounts, coffee can improve alertness and reaction time, but your brain quickly adapts. Now you need more coffee just to feel normal. ⚡ Quick check: If this changed how you see coffee, tap LIKE and share. Part 2 coming tomorrow — what coffee does to your memory. #CoffeeSci