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. 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.