The Other Side of the Bed a.k.a. The Wrong Side of the Bed (Spanish: El otro lado de la cama) is a 2002 film directed by Emilio Martínez Lázaro.
Sex, love, lies, bed-hopping and mistaken identities abound in this pop musical-comedy set in Madrid. The gorgeous Paula breaks up with her boyfriend Pedro in order to continue her affair with Javier. The immature Javier however, is unwilling to break up with his current girlfriend Sonia, or confess to their affair to Pedro, who happens to be his best friend.