Sleepless (King Crimson song)

{{Infobox song

| name = Sleepless

| cover = Sleepless King Crimson.jpg

| alt =

| type = single

| artist = King Crimson

| album = Three of a Perfect Pair

| B-side = Nuages

| released = 2 March 1984{{cite web|url=https://www.worldradiohistory.com/UK/Music-Week/1984/Music-Week-1984-02-25-I.pdf|title=Music Week}}

| format =

| recorded =

| studio =

| venue =

| genre = Rock,{{cite book |last=Tamm |first=Eric |title=Robert Fripp: From Crimson King to Crafty Master |isbn=978-0571129126 |year=1990 |page=117 |publisher=Faber and Faber |url=https://archive.org/details/robert-fripp-from-king-crimson-to-guitar-craft_202103/mode/2up}} funk, dance{{cite magazine |first=Ian |last=Abrahams |date=30 Nov 2016 |title=Beat, Three Of A Perfect Pair - King Crimson |url=https://recordcollectormag.com/reviews/album/beat-three-perfect-pair |magazine=Record Collector |accessdate=21 Mar 2021}}{{cite web |url=http://www.allmusic.com/album/three-of-a-perfect-pair-r10900/review |title=King Crimson Three of a Perfect Pair review |accessdate=21 Mar 2021 |last=Prato |first=Greg |work=Allmusic |publisher=Rovi Corporation}}

| length = 5:24

| label = Warner Records

| writer = Adrian Belew, Bill Bruford, Robert Fripp, and Tony Levin.

| producer = King Crimson

| prev_title = Heartbeat

| prev_year = 1984

| next_title = Dinosaur

| next_year = 1995

}}

"Sleepless" is a song by the band King Crimson from their 1984 album Three of a Perfect Pair. The song was released as a single in March 1984 and mixed for radio by Bob Clearmountain.{{Cite web |last=Lewry |first=Fraser |date=29 October 2024|title=King Crimson-affiliated act Beat announce global livestream of upcoming Los Angeles show |url=https://www.loudersound.com/news/beat-king-crimson-livestream |access-date=26 January 2025 |website=Louder |language=en}} The track is best known for its 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.