However even 18 hours is not considered abnormal for a Chihuahua. This includes naps.There are 2 types of sleeping. One is a lighter sleep (called slow wave) and the other is the deeper sleep (known as REM-Rapid Eye Movement). Dogs, just like humans do have these 2 different types of sleep.
Probably the best known snake in the world, the Rattlesnake is a pit viper found almost everywhere in the United States, and is capable of a deadly bite. Its trademark rattle strikes fear into anyone who hears it.
Corn snakes, also known as red rat snakes, are a large, powerful, and non-venomous constrictor in the genus Elaphe. [1] [2] The species in this genus, along with the genus Bogertophis and Senticolis, are known as rat snakes.