"Wide Awake" is a song by American singer Katy Perry, released in 2012 as a single from her album "Teenage Dream: The Complete Confection." The song was written by Katy Perry along with Dr. Luke, Max Martin, Bonnie McKee, and Henry Walter.

"Wide Awake" is a mid-tempo pop ballad with introspective lyrics that touch on themes of self-discovery, resilience, and moving forward after a challenging experience. The song's title, "Wide Awake," metaphorically represents a sense of clarity and awareness.

The song gained attention due to its emotional depth and the personal nature of its lyrics, which many interpreted as a reflection on Perry's experiences in her personal life and relationships. The introspective nature of the song marked a departure from some of Perry's earlier, more upbeat pop hits.

The music video for "Wide Awake" continued the introspective theme, featuring Katy Perry navigating through a fantastical landscape filled with symbolism. The video tied into Perry's 2012 autobiographical concert film "Katy Perry: Part of Me," providing a visual narrative that complemented the song's message.

"Wide Awake" received positive reviews from music critics, who praised Perry's vocal performance and the song's message of empowerment. It achieved commercial success, reaching high chart positions in several countries.

As one of the singles from the reissued "Teenage Dream" album, "Wide Awake" further solidified Katy Perry's status as a pop powerhouse and showcased her ability to tackle more introspective and personal themes in her music.