Abstract: In one aspect, a wall bunk is provided that includes a rotationally molded body having an overall length, a mounting portion of the body, and an elongate bed pan. The bed pan has a lower wall including a mattress support surface and a front wall. The lower wall includes curved wall portions at internal kiss-offs of the body. The mattress support surface has recesses defined at least in part by the curved wall portions for collecting moisture. The wall bunk further includes a rail configured to be connected to the front wall of the bed pan. With the rail connected to the front wall, the front wall has an uncovered portion with a length that is at least forty percent of the overall length of the body to provide a lateral opening for ingress and egress relative to the wall bunk.