"Sick and Tired" is a song by American recording artist Anastacia from her third studio album, Anastacia. Written by Anastacia, Dallas Austin, and Glen Ballard, it was released as the album's second single on July 19, 2004 in Europe to positive reception from music critics. The single charted inside the top five in most of countries, including Austria, Denmark, Germany, Italy, the Netherlands, Spain, Switzerland, and the United Kingdom. "Sick and Tired" samples the song "Let The Music Play" by Shamur.