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.
A rattlesnake is a venomous pit viper with a rattle on it's tail. a highly venemous snake native to north, central, and south america.It can grow very long. One out of every one thousand rattlesnake bites is fatal, and even then the person was probably allergic to the venom.