Yawn. You’ve brushed your teeth and put on your p.j.’s. Mom tucks you in and turns off the light. It’s time to sleep. But what happens to your body while you sleep? Does it just shut off like the bedroom light?
Your brain never stops working. When you’re awake, it uses messages from your eyes, ears, nose, mouth, and skin to tell you what you’re seeing, hearing, smelling, tasting, and feeling.
Sometimes when you sleep more than usual, it’s because you’re growing. While you sleep, your body releases stuff called growth hormones. Even when you’ve stopped growing, those hormones are important. They help your body repair itself and fight diseases.
Your heart pumps blood around your entire body all day and all night. It does slow down a bit…
