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.
Formed in the tradition of the great southern guitar blues bands, with an improvisatory ethos, Widespread Panic continue to explore a sound all its own on the band's 12th album, Street Dogs, their first studio effort since 2010's Dirty Side Down.