Kids love to play in the dirt. If you know it's generally "clean," let them. A Little Dirt Is Good For You Here's a general question that is often asked of me: Cough-and-Sniffle Question: When to Keep a Child Home? A general overview of sleep: How Do I Help My Child Develop Good Sleep Habits What Are the Stages of Sleep (scroll to the bottom "Sleep"section) Extra: Why is it important for adults to get good sleep? If your child sleeps through the night, make sleep a priority for yourself. The Power of Sleep- Time Magazine