Description "When you go to sleep, what does your brain do? Does it rest too? It can't because it's busy working while you snooze! It repairs, and resets, and helps your body even when you aren't awake. Using up-to-date research to explore our brains' critical functions when we are asleep, psychology experts JoAnn and Terrence Deak invite kids (and adults) to unpack all the amazing things your brain is doing when you're not awake-and why it's so important to get your sleep!"--