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.
At The Disco. Biography Read More. Panic! at the Disco is a Grammy-nominated rock band formed in Las Vegas, Nevada in 2004. The band comprises vocalist, guitarist and pianist Brendon Urie and drummer Spencer Smith. In July 2009, guitarist Ryan Ross and bassist Jon Walker left the band, citing creative differences as the reason for their departure.