The Bad Sleep Well (悪い奴ほどよく眠る, Warui yatsu hodo yoku nemuru) is a 1960 film directed by the Japanese director Akira Kurosawa. It was the first film to be produced under Kurosawa's own independent production company. It was entered into the 11th Berlin International Film Festival.
The film stars Toshiro Mifune as a young man who gets a prominent position in a corrupt postwar Japanese company in order to expose the men responsible for his father's death. It has its roots in Shakespeare's Hamlet. It is also a critique of corporate corruption.