The government hopes to boost Spain’s falling birth rate, which is one of the lowest in the developed world.
Prime minister Mariano Rajoy appointed Edelmira Barreira as the country’s sex tsar to get Spaniards to produce more babies.
The country is faced with a population crisis, with fewer births than deaths recorded for the first time last year.
Experts say long working hours and a culture of eating late at night and going to bed after midnight are partly to blame for the nation’s sex famine.
Rafael Puyol, of the IE Business School in Madrid, said: “They do not help with making a family. Then when a child arrives it is even worse.”