Humans may require at least a bed or couch to sleep comfortably, but these photographers captured a few kittens who can snooze just about anywhere, including in the middle of a book. On a related note, did you know that on average, cats sleep about two thirds of every day? That’s right, and if you do the math, it means your 9-year-old kitty has slept away about six years of life. Chances are, they will find a favorite napping spot and go back to it each day, regardless of if they outgrow it. Continue reading for more.