(This article is about the song by Keane. For other uses, see Bad Dream (disambiguation).) "A Bad Dream", often mistitled as "Bad Dream", is a song by English rock band Keane appearing as the fifth track on their second album, Under the Iron Sea. It was released on 22 January 2007 as the fifth and final single from the album. The song peaked at No. 23 in the UK Singles Chart, becoming the band's first single to miss the top 20.