The Sickness is the debut studio album by the American
heavy metal band
Disturbed. The album was released on March 7, 2000. The album peaked at number 29 on the
Billboard 200 chart and it has spent a total of 103 weeks on that chart, as of June 2010. It is, to date, Disturbed's only album to not hit number one on the Billboard 200.
The Sickness has been certified 4x platinum by the RIAA, with around 4,248,000 copies sold in the United States alone as of 2011, making it the band's most successful album. It is one of three Disturbed albums to have the
Parental Advisory label and contain high amounts of profanity.