"I Can't Sleep at Night" was written by Dannii Minogue, Rob Davis and Jewels & Stone for Minogue's fifth studio album Club Disco and included on the greatest hits compilation, The Hits & Beyond (2006).

On 8 January 2007, the song and its remixes were released as a digital download in Australia, the United Kingdom and North America.

Directed by Ulf Buddensieck, the video features Minogue in a house waiting for someone.

[2] It begins with Minogue staring longingly outside of her home, but as the video progresses she becomes tired of waiting and falls asleep as her mobile phone begins to ring.

These are the formats and track listings of major single releases of "I Can't Sleep at Night".