No, the dogs are fine. Have you ever had a dog? Dogs sleep all day in the dead of winter as much as in the summer, and right this very second there are hundreds, if not thousands of dogs in Very Hot Places exuberantly encouraging their humans to play with them, pleasepleaseplease, just to throw the ball just once. This is basically the point of dogs. The universal constant for the speed of light is c (299,792,458 meters per second); the Newtonian gravitational constant is G. The terrestrial constant for boundless energy and joy is dogs.