Insomniac

Backing Vocals [Female] – Anna NordellKeyboards, Programmed By [Keyboards] – Kristian LundinRecorded By, Mixed By – Kristian LundinWritten-By – Enrique Iglesias, Kristian Lundin, Savan Kotecha

Featuring – Lil' Wayne*Producer – Steve MoralesProducer [Vocals] – Carlos Paucar, Enrique IglesiasWritten-By – Adonis*, Enrique Iglesias, Lil' Wayne*, Steve Morales

Mixed By – Mark "Spike" Stent*Producer – Brian Kidd, Sean GarrettProducer [Vocals] – Carlos Paucar, Enrique IglesiasWritten-By – Brian Kidd, Enrique Iglesias, Sean Garrett

Producer – John ShanksWritten-By – Enrique Iglesias, John Shanks, Kaca DioGuardi*

Instruments – Mikkel S. Eriksen, Tor Erik HermansenMixed By – Phil TanProducer – StarGate Recorded By – Mikkel S. Eriksen, Tor Erik HermansenVocals [Additional] – Johnta AustinWritten-By – Enrique Iglesias, H. Rustan*, J. Austin*, M.S. Eriksen*, T.E. Hermansen*

Adapted By – Enrique IglesiasProducer – Scott ThomasProducer [Vocals] – Carlos Paucar, Enrique IglesiasWritten-By – Scott Thomas

Mixed By – Mark "Spike" Stent*Producer – Arnthor, RamiWritten-By – Arnthor Birgisson, Enrique Iglesias, Rami Yacoub

Mixed By – Phil TanProducer – Arnthor, RamiWritten-By – Arnthor Birgisson, Enrique Iglesias, Rami Yacoub

Mixed By – Mark Taylor, Ren SwanProducer – Mark TaylorWritten-By – Enrique Iglesias, Mark Taylor, Paul Barry

Producer – John ShanksWritten-By – Enrique Iglesias, John Shanks, Kaca DioGuardi*

Engineer – Andy Ellis Mixed By – Randy StaubProducer – Brodie StewartProducer [Vocals] – Carlos Paucar, Enrique IglesiasWritten-By – Brodie Stewart

Producer, Mixed By – Mark TaylorRecorded By – Alex Smith, Mark TaylorWritten-By – Enrique Iglesias, Mark Taylor, Paul Barry

Backing Vocals – Michael CosculluelaLyrics By – Luis Gómez-Escolar*Mixed By – Mark "Spike" Stent*Producer – Carlos Paucar, Enrique IglesiasProducer [Vocals] – Carlos Paucar, Enrique IglesiasWritten-By – Brian Kidd, Enrique Iglesias, Sean Garrett

Lyrics By – Luis Gómez-Escolar*Producer – Carlos Paucar, Enrique IglesiasProducer [Vocals] – Carlos Paucar, Enrique IglesiasWritten-By – Enrique Iglesias, John Shanks, Kaca DioGuardi*

Lyrics By – Luis Gómez-Escolar*Mixed By – Mark "Spike" Stent*Producer – Carlos Paucar, Enrique IglesiasProducer [Vocals] – Carlos Paucar, Enrique IglesiasWritten-By – Scott Thomas

Coordinator – Ivy SkoffDrums, Percussion – Mark TaylorEngineer [Assistant] – Jong-uk Yoon*Mixed By – Mark Taylor, Walter TurbittProducer – Mark TaylorRemix, Producer [Additional] – Chris Cox & Barry Harris*, ThunderpussWritten-By – Enrique Iglesias, Mark Taylor, Paul Barry