Ever wonder what happens when you go to sleep at night? Discover all that's still going on in the world after dark, in this intriguing, fact-packed introduction to the science of night. Children will be delighted to find the answers to questions such as: Why do we dream? How do bats use echolocation? What blooms in the moonlight? Why do stars twinkle? Thoroughly researched and vetted by several experts, this book covers multiple STEM topics, leading to tons of direct curriculum links in earth science, life science and physical science. The comprehensive, wide-ranging approach allows for loads of fun facts that will appeal to children. Josh Holinaty's stylish illustrations create a striking nighttime look with a limited, dark color palette. The text is supported by a glossary, an index and suggested sources for further reading.