Hook (0–3s): "Did you know your brain has a secret delete button?" Body (4–15s): "Every night when you sleep, your brain takes out the trash—literally. It clears away useless memories, stress chemicals, and even tiny toxins. That’s why pulling all-nighters doesn’t make you smarter—it makes your brain dirtier!" Climax (16–20s): "So if you want a sharper mind, don’t just study harder—sleep like your life depends on it. Because it does." CTA (21–25s): "Follow for more crazy science facts your textbooks forgot to mention!"