The foundation of the song remains largely the same as when the band first began work on it in 2009, but as they recorded more songs, they kept coming back to "Up All Night", and the song became "harder and heavier than its original incarnation", according to Hoppus, "Initially the chorus had much more air.
Dasar pengerjaan lagu ini masih tetap sama seperti ketika mereka mulai mengerjakannya pada tahun 2009, walalupun seiring mereka merekam lebih banyak lagu, mereka terus kembali pada lagu "Up All Night" dan lagu inipun menjadi “lebih keras dan lebih berat dari versi awalnya”, berdasarkan peryataan Hoppus, “Initially the chorus had much more air.