the family that sleeps together keeps together

== English == === Etymology === Parody of the family that prays together stays together. Originally coined by Hugh Hefner in the 1960s to refer to the way sexual intimacy creates bonds between a married couple, the phrase was adopted by others who reinterpreted it to refer to incest. === Phrase === the family that sleeps together keeps together (humorous) A supposed motto describing the dynamics of incest.