When you sleep, your brain doesn’t rest — it becomes more active! 🧠 In this 3D medical animation, discover what happens inside your brain during sleep, including deep sleep, REM sleep, memory storage, and brain cleaning processes. This short video explains how sleep helps your brain repair itself, create dreams, store memories, and remove toxins. If you love science, anatomy, and brain facts, this video is for you! Watch till the end to see how your brain works while you sleep. #brain #sleep #h