When Sweet Moonlight Is Sleeping in the Hills (German: Wenn süß das Mondlicht auf den Hügeln schläft) is a 1969 West German drama film directed by Wolfgang Liebeneiner and starring Werner Hinz, Luitgard Im and Diana Körner. It is based on the 1967 novel At the Height of the Moon by Eric Mal. It is the sequel to the 1968 film Morning's at Seven.

It was shot at the Spandau Studios in Berlin and on location around Bergisch Gladbach and Solingen in North Rhine-Westphalia. The film's sets were designed by the art director Werner Schlichting. It premiered at the UFA-Palast in Cologne.