"4 in the Morning" is a song by American recording artist Gwen Stefani from her second solo album, The Sweet Escape (2006). Written by Stefani and Tony Kanal, the song is a 1980s-inspired ballad that Stefani began writing while pregnant and finished with No Doubt bandmate Tony Kanal. It received generally positive reviews from music critics. The song was released as the album's third single in 2007. It was commercially unsuccessful in the United States but fared somewhat better elsewhere. Stefani has stated that "4 in the Morning" is one of her favorite songs from The Sweet Escape.