Types of Insomnia. There are two types of insomnia: primary insomnia and secondary insomnia. 1  Primary insomnia: Primary insomnia means that a person is having sleep problems that are not directly associated with any other health condition or problem.
System of a Down's music has variously been termed alternative metal, nu metal, hard rock, progressive metal, thrash metal, art rock and avant-garde metal.
Chop Suey by System of a Down Songfacts. 1  This is about drug addiction, but it doesn't have the somber tone that many songs about addiction have. The band describes it as a little quacky.. 2  Chop Suey is a Chinese stew made with meat or fish, plus bamboo sprouts, onions, rice and water chestnuts.