Space-efficient flat-bed seating arrangement

A plurality of flat-bed seats arranged adjacent to each other in a “herringbone” configuration along an aisle of a transport vehicle, each of the seats comprising:

• a seat bottom configured to receive a lower posterior of a person seated;
• and
• a backrest configured to receive a back of the person seated when the backrest is in an upright position, wherein the backrest is configured to pivot to a reclined position allowing the person seated to move to a laying-down position supported by the seat bottom and the backrest,
• wherein the plurality of seats are arranged along the aisle at an angle between 52° to 62° with respect to the aisle, and
• wherein the seats have a seat pitch no less than 25 inches.