Arrangement of seat units in a vehicle cabin

1. A wide-body commercial aircraft cabin arrangement comprising:

a plurality of seat units, each seat unit comprising a primary seat and a secondary seat arranged facing one another, wherein the primary seat and the secondary seat are configured to combine into a single bed position for the seat unit;

wherein the plurality of seat units are arranged in two columns separated by a wide central aisle; and

wherein the primary seat comprises a width of 50 inches or more, the width being configured for a passenger to be seated in multiple orientations within the primary seat, which range from having his or her body oriented in a direction that is substantially parallel to a longitudinal axis of the seat unit to having his or her body oriented in a direction that is substantially perpendicular to the longitudinal axis of the seat unit.

2. The wide-body commercial aircraft cabin arrangement of claim 1 , wherein each seat unit further comprises a wellbeing area comprising a lavatory.

3. The wide-body commercial aircraft cabin arrangement of claim 1 , wherein each seat unit further comprises at least one privacy curtain that substantially encloses each seat unit.

4. The wide-body commercial aircraft cabin arrangement of claim 1 , wherein each seat unit further comprises a side extension arranged along one side of a space between the primary seat and the secondary seat.

5. The wide-body commercial aircraft cabin arrangement of claim 1 , wherein the single bed position comprises a surface area that is greater than 4000 square inches.

6. The wide-body commercial aircraft cabin arrangement of claim 1 , wherein the primary seat comprises a width that is configured for two passengers to share the primary seat.

7. The wide-body commercial aircraft cabin arrangement of claim 1 , wherein the columns are staggered from one another so that the seat units within one of the two columns are not laterally aligned with the seat units within the other one of the two columns.

8. An aircraft cabin arrangement comprising:

a plurality of seat units, each seat unit comprising a primary seat and a secondary seat arranged facing one another, and a side extension arranged along one side of a space between the primary seat and the secondary seat;

wherein the primary seat, the secondary seat, and the side extension are configured to combine into a single bed position for the seat unit having a surface area that is greater than 4000 square inches;

wherein the plurality of seat units are arranged in two columns separated by a wide central aisle; and

wherein the primary seat comprises a width of 50 inches or more, the width being configured for a passenger to be seated in multiple orientations within the primary seat, which range from having his or her body oriented in a direction that is substantially parallel to a longitudinal axis of the seat unit to having his or her body oriented in a direction that is substantially perpendicular to the longitudinal axis of the seat unit.

9. The aircraft cabin arrangement of claim 8 , wherein each seat unit further comprises a wellbeing area comprising a lavatory.

10. The aircraft cabin arrangement of claim 8 , wherein each seat unit further comprises at least one privacy curtain that substantially encloses each seat unit.

11. The aircraft cabin arrangement of claim 8 , wherein the primary seat comprises a width that is configured for two passengers to share the primary seat.

12. The aircraft cabin arrangement of claim 8 , wherein the columns are staggered from one another so that the seat units within one of the two columns are not laterally aligned with the seat units within the other one of the two columns.

13. A aircraft cabin arrangement comprising:

a plurality of seat units, each seat unit comprising a primary seat and a secondary seat arranged facing one another, wherein the primary seat and the secondary seat are configured to combine into a single bed position for the seat unit, wherein the plurality of seat units are arranged in two columns separated by a wide central aisle; and

a wellbeing zone comprising an air supply comprising an enriched oxygen and moisture content, as compared to an oxygen and moisture content of the air supply to surrounding areas of the aircraft cabin;

wherein the primary seat comprises a width of 50 inches or more, the width being configured for a passenger to be seated in multiple orientations within the primary seat, which range from having his or her body oriented in a direction that is substantially parallel to a longitudinal axis of the seat unit to having his or her body oriented in a direction that is substantially perpendicular to the longitudinal axis of the seat unit.

14. The aircraft cabin arrangement of claim 13 , wherein each seat unit further comprises a wellbeing area comprising a lavatory.

15. The aircraft cabin arrangement of claim 13 , wherein each seat unit further comprises at least one privacy curtain that substantially encloses each seat unit.

16. The aircraft cabin arrangement of claim 13 , wherein the single bed position comprises a surface area that is greater than 4000 square inches.

17. The aircraft cabin arrangement of claim 13 , wherein the primary seat comprises a width that is configured for two passengers to share the primary seat.

18. The aircraft cabin arrangement of claim 13 , wherein the columns are staggered from one another so that the seat units within one of the two columns are not laterally aligned with the seat units within the other one of the two columns.