Recent patent filing shows plans for an ' upright ' sleeping accommodation mattress . enclosed in a backpack , the cushions allow the user to lean forward . A breathing hole in the sleeping pillow ensures extra customer comfort . Boeing comments : ' We are n't providing any further information or comment '
Recent patent filing shows plans for an 'upright ' sleeping support system . Encased in a backpack , the cushions allow the passenger to lean forward . A breathing hole in the face pillow ensures extra customer comfort . Boeing says : 'We are n't providing any further information or comment '