Aircraft area comprising a passenger cabin, the passenger cabin having: - an aisle which extends along a longitudinal axis (L P) of the passenger cabin, - a door aisle (80, 88) which extends perpendicularly to said longitudinal axis (L P) of the passenger cabin and which is configured to connect the aisle to at least one aircraft door (82, 90), and - at least one sleeping box arrangement comprising a plurality of sleeping boxes, with each sleeping box having: - a casing which is suitable for accommodating a person located in a reclining position parallel to a longitudinal axis (L G) of said casing and which has a floor, a ceiling which lies opposite said floor, two mutually opposite side walls (26, 28), a rear wall and an access aperture in the area of a front side which extends perpendicularly to said longitudinal axis (L G) of the casing, and - a fastening apparatus which is configured to fasten the sleeping box within the passenger cabin of the aircraft in such a way that the longitudinal axis (L G) of the casing extends perpendicularly to the longitudinal axis (L P) of said passenger cabin and the access aperture of said casing borders the aisle, wherein the sleeping boxes of the sleeping box arrangement are arranged side by side and in three rows one above another, characterized in that the side walls (26, 28) of the casing of the sleeping boxes which are positioned one above another in the upper two rows are arranged so as to be offset in relation to one another. - an aisle which extends along a longitudinal axis (L P) of the passenger cabin, - a door aisle (80, 88) which extends perpendicularly to said longitudinal axis (L P) of the passenger cabin and which is configured to connect the aisle to at least one aircraft door (82, 90), and - at least one sleeping box arrangement comprising a plurality of sleeping boxes, with each sleeping box having: - a casing which is suitable for accommodating a person located in a reclining position parallel to a longitudinal axis (L G) of said casing and which has a floor, a ceiling which lies opposite said floor, two mutually opposite side walls (26, 28), a rear wall and an access aperture in the area of a front side which extends perpendicularly to said longitudinal axis (L G) of the casing, and - a fastening apparatus which is configured to fasten the sleeping box within the passenger cabin of the aircraft in such a way that the longitudinal axis (L G) of the casing extends perpendicularly to the longitudinal axis (L P) of said passenger cabin and the access aperture of said casing borders the aisle, wherein the sleeping boxes of the sleeping box arrangement are arranged side by side and in three rows one above another, characterized in that the side walls (26, 28) of the casing of the sleeping boxes which are positioned one above another in the upper two rows are arranged so as to be offset in relation to one another. - a casing which is suitable for accommodating a person located in a reclining position parallel to a longitudinal axis (L G) of said casing and which has a floor, a ceiling which lies opposite said floor, two mutually opposite side walls (26, 28), a rear wall and an access aperture in the area of a front side which extends perpendicularly to said longitudinal axis (L G) of the casing, and - a fastening apparatus which is configured to fasten the sleeping box within the passenger cabin of the aircraft in such a way that the longitudinal axis (L G) of the casing extends perpendicularly to the longitudinal axis (L P) of said passenger cabin and the access aperture of said casing borders the aisle,