The Wrong Side of the Bed is a 2002 Spanish musical comedy film directed by Emilio Martínez Lázaro and written by David Serrano, which stars Ernesto Alterio, Paz Vega, Guillermo Toledo and Natalia Verbeke alongside Alberto San Juan and María Esteve.

[2] Sex, love, lies, bed-hopping and mistaken identities abound in this pop musical-comedy set in Madrid.

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.

Martínez-Lázaro and Serrano return as director and screenwriter while Alterio, Toledo, San Juan, Esteve and de la Rosa all reprise their roles.

It was written and directed by Ivan Calbérac [fr; de] and stars Julien Boisselier, Alexandra Lamy, Mélanie Doutey and Gilles Lellouche among others.