"Insomnia" is a song by British singer Craig David.

It was written by David and Jim Beanz and recorded for the former's compilation album, Greatest Hits (2008).

Released as the album's lead single, it became a top ten hit in Belgium and Bulgaria.

The song is performed in the key of D♯ minor[citation needed] with a tempo of 125 beats per minute.

[2] A music video for "Insomnia" was directed by Sarah Chatfield.