While the Patient Slept is a 1935 comedy murder mystery film directed by Ray Enright starring Aline MacMahon as a nurse/crime sleuth and Guy Kibbee as her boyfriend and police detective.

A comedic murder mystery involving a nurse who is assigned to the at-home care of a man who recently had a stroke.

With family members and potential heirs confined to the house for several days, additional murders occur while the nurse and a police detective work on solving the case.

Warner Brothers marketed 12 mystery films as components of the "Clue Club", movies tied to Black Mask, a pulp magazine, aimed at increasing audiences attending WB mystery movies.

There were twelve titles bearing the Warner Brothers "Clue Club" label released from 1935 to 1938.