First part of a diptych centered on the nightmarish pressure hidden under the surface of the urban environment. Sleeping City is composed as a horrific preamble, introducing the second part: the horror fiction Noctambule. In a city, at nightfall, the cars gradually disappear, the din of the inhabitants fades to give way to a dissonant silence, an invisible threat rumbles.

A young woman decides to go home at night when she feels deep discomfort at a friend's party. It is then that a strange silhouette will begin to follow her...