Cat Is Sleepy by Satoshi Kitamura
Cat is looking for somewhere to take a nap, but all the places he tries are too uncomfortable, or cold, or crowded. At last he finds the perfect spot. A simple and amusing story, coupled with Satoshi Kitamura's quirky and bold illustrations make these board books, DUCK IS DIRTY, CAT IS SLEEPY, DOG IS THIRSTY and SQUIRREL IS HUNGRY perfect for small children.