"A Hard Day's Night" is a song by British rock band The Beatles. Written by John Lennon and credited to Lennon/McCartney, it was released on the movie soundtrack of the same name in 1964. It was later released as a single, with "I Should Have Known Better" as its B-side.
The song featured prominently on the soundtrack to The Beatles' first feature film, A Hard Day's Night, and was on their album of the same name.…
It's been a hard day's night, and I been working like a dog
It's been a hard day's night, I should be sleeping like a log
But when I get home to you I find the things that you do
Will make me feel alright