Dexter told Delilah that she must remember to be creative when looking for places and positions for sleeping. Life can get boring with just sleeping and eating all day. It is critical to be imaginative in your every day activities to keep your yourself young.
The views outside are very enticing on a sunny spring day, but windowsills are tricky places for sleeping. It helps to find a good prop to help you stay balanced and secure so that you won't roll off when you are chasing birds in your dreams.