'Sleep thoughts are spreading Throughout the whole land The time for night-brushing of teeth is at hand.' Dr Seuss's Sleep Book is full of wonderful yawning creatures who spread sleep thoughts at bedtime. More fun than counting sheep and more effective than the sandman, Dr. Seuss's method is the perfect medicine for children who don't want to go to bed.'Sleep thoughts are spreading Throughout the whole land The time for night-brushing of teeth is at hand.' Dr Seuss's Sleep Book is full of wonderful yawning creatures who spread sleep thoughts at bedtime. More fun than counting sheep and more effective than the sandman, Dr. Seuss's method is the perfect medicine for children who don't want to go to bed.