| Sleepless | |
| Cover: | Sleepless King Crimson.jpg |
| Type: | single |
| Artist: | King Crimson |
| Album: | Three of a Perfect Pair |
| B-Side: | Nuages |
| Released: | 2 March 1984[1] |
| Genre: | Rock,[2] funk, dance[3] [4] |
| Length: | 5:24 |
| Label: | Warner Records |
| Producer: | King Crimson |
| Prev Title: | Heartbeat |
| Prev Year: | 1984 |
| Next Title: | Dinosaur |
| Next Year: | 1995 |
"Sleepless" is a song by the band King Crimson, released as a single in 1984.[5] The track is best known for its distinctive opening bass-line which features Tony Levin slapping on the strings to create a pulsating beat, and for the music video in which all four members of the band appeared.