Feydeau's bedroom farces, telling of the high life of the low life in Paris's demi-mondaine, are noted for great wit and complex plots, featuring misunderstandings and coincidences, and what one critic called "jack-in-the-box construction". His dramas were highly popular at the time, and are now seen as foreshadowing such modern developments as the Theater of the Absurd.
His most notable farces are probably Heart's Desire Hotel (L'Hôtel du libre échange, 1894) and Sauce For the Goose (Le Dindon, 1896).
Despite being a phenomenonally successful playwright, his propensity for high living (he had a table permanently reserved for him at Maxim's), gambling and the failure of his marriage were to lead to financial difficulties.
During the winter of 1918 Feydeau contracted syphilis and slowly descended into madness in the remaining years of his life.
He is buried in Cimetière de Montmartre, Paris, France..