"I'm Only Sleeping" is a song by The Beatles from their 1966 studio album Revolver. It was released two months earlier in the US on the album Yesterday And Today and did not feature on the original US version of Revolver. John Lennon wrote it, but, like all The Beatles' songs written by Lennon or Paul McCartney, it is credited to Lennon/McCartney.
The recording of the song began in EMI Studios on 27 April 1966 with eleven takes of the rhythm track. Five further takes of the song were recorded but none were used. Take 11 was chosen as the master and two days later Lennon added his lead vocals. On 5 May, George Harrison wrote and recorded the double guitar part. The next day the recording was completed by Lennon, McCartney and Harrison's backing vocals.
The song features the then-unique sound of a reversed guitar duet played by Harrison, conceived after the tape operator accidentally threaded the tape into the machine upside down and performed by Harrison in a five hour late-night recording session with producer George Martin. Harrison perfected the part with the tape running backwards so that, when reversed, it would fit the dreamlike mood. One guitar was recorded with fuzz effects,...