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.
Quick Answer. Some snakes live in holes, while others reside in underground burrows. Snakes may create their own dwellings, called burrows, while others inhabit holes created by other animals. Some snakes meander through holes underground while traveling, and others use them on a part-time or year-round basis. Continue Reading.