4 in the Morning

"4 in the Morning" is a song by American singer and songwriter Gwen Stefani from her second studio album "The Sweet Escape" (2006). It was written by Stefani and co-written and produced by Tony Kanal and was released on May 8, 2007. Whilst writing the song, Stefani was pregnant with her first child and listened to songs sung by Roberta Flack and Billy Idol.
Background and writing.
"4 in the Morning" was written by Stefani and Kanal after Stefani finished her "Harajuku Lovers Tour" in 2005. The song was influenced by songs from Stefani's debut album "Love. Angel. Music. Baby." (2004). Stefani listened to ballads sung by Roberta Flack and Billy Idol. Stefani also said that "4 in the Morning" was one of her favorite songs from the album.
Credits and personnel.
Credits adapted from the liner notes of "The Sweet Escape"