Sleep. Why do we sleep? Everyone sleeps. We have big sleeps at night and we might have little sleeps during the day. Do you know why we need to sleep?
SmartyCat delivers simple, engaging and educationally sound answers to all those tricky, curious questions that young children ask. When SmartyCat, the inquisitive little kitten, wonders how shadows are made, one of his good friends explains in language and examples that preschoolers understand.
