Los Sueños (Dreams or Visions) is a satirical prose work by the Spanish Baroque writer Francisco de Quevedo. Written between 1605 and 1622, it was first published in Barcelona in 1627 under the title Sueños y discursos de verdades descubridoras de abusos, vicios y engaños en todos los oficios del mundo ("Dreams and discourses on truths revealing abuses, vices and deceptions in all the professions and estates of the world").