Dogs sleep more than us, but they wake more frequently than we do. How much and when they sleep depends on the level of activity in their environment. A dog living as a pet in the home is likely to sleep more than a dog that works for a living, like a search and rescue dog or a dog working on a farm.
In the colder winter months, some rattlesnake species enter a period of brumation, which is dormancy similar to hibernation. They often gather together for brumation in large numbers (sometimes over 1,000 snakes), huddling together inside underground rattlesnake dens or hibernacula.
Eastern hognose snakes are the great actors of the snake world. In an effort to ward off predators these snakes will puff-up, hiss loudly, spread their neck and strike with the mouth closed. If all else fails the hognose snake will roll over and play dead. Found state wide the pattern and coloration of these snake can vary greatly.