People often ask: "Why do Chihuahuas sleep so much." The truth is - most dogs sleep a lot. Some animals are just known for sleeping all the time. Some may come to mind, including opossums who get about 18 hours of shut-eye a day or the Koala, which sleeps for anywhere between 19 to 20 hours a day. Cats also are known for frequently sleeping during the day. While they may come … [Read more...]