An aircraft seat comprising: a seatpan portion ; a backrest portion coupled to the seatpan portion; a frame supporting the backrest portion and the seatpan portion ; and a sleep comforter including: a flexible body configured to extend over the backrest portion and the seatpan portion, the flexible body being movable between a retracted position adjacent the backrest portion and the seatpan portion, and an extended position spaced apart from at least a portion of the seatpan portion and at least a portion of the backrest portion; a body tensioning mechanism including an actuator operatively coupled to a rotatable roller , the roller being coupled to an end of the flexible body, the body tensioning mechanism being configured to move the flexible body from the retracted position to the extended position; and a body return mechanism coupled to the flexible body, the body return mechanism including biasing members configured to bias the flexible body towards the retracted position; wherein the body return mechanism comprises a rod mounted on the frame; characterized in that the body return mechanism further comprises a pair of extendable coupling members supported on the rod and biased into the retracted position by the biasing members ; wherein the extendable coupling members are coupled to the flexible body. a seatpan portion ; a backrest portion coupled to the seatpan portion; a frame supporting the backrest portion and the seatpan portion ; and a sleep comforter including: a flexible body configured to extend over the backrest portion and the seatpan portion, the flexible body being movable between a retracted position adjacent the backrest portion and the seatpan portion, and an extended position spaced apart from at least a portion of the seatpan portion and at least a portion of the backrest portion; a body tensioning mechanism including an actuator operatively coupled to a rotatable roller , the roller being coupled to an end of the flexible body, the body tensioning mechanism being configured to move the flexible body from the retracted position to the extended position; and a body return mechanism coupled to the flexible body, the body return mechanism including biasing members configured to bias the flexible body towards the retracted position; wherein the body return mechanism comprises a rod mounted on the frame; characterized in that the body return mechanism further comprises a pair of extendable coupling members supported on the rod and biased into the retracted position by the biasing members ; wherein the extendable coupling members are coupled to the flexible body. a flexible body configured to extend over the backrest portion and the seatpan portion, the flexible body being movable between a retracted position adjacent the backrest portion and the seatpan portion, and an extended position spaced apart from at least a portion of the seatpan portion and at least a portion of the backrest portion; a body tensioning mechanism including an actuator operatively coupled to a rotatable roller , the roller being coupled to an end of the flexible body, the body tensioning mechanism being configured to move the flexible body from the retracted position to the extended position; and a body return mechanism coupled to the flexible body, the body return mechanism including biasing members configured to bias the flexible body towards the retracted position; wherein the body return mechanism comprises a rod mounted on the frame; characterized in that the body return mechanism further comprises a pair of extendable coupling members supported on the rod and biased into the retracted position by the biasing members ; wherein the extendable coupling members are coupled to the flexible body. <EOS>