Embodiments of cradle frames and cushions are described herein. A cradle frame includes a connection assembly, a support assembly, an adjustment assembly, and a gear assembly. The connection assembly is configured to couple the cradle frame to a structure. The support assembly includes two side sections, and a middle section that is curved downward and positioned substantially between the two side sections. The adjustment assembly is coupled to the support assembly for adjusting the positioning of the support assembly. The gear assembly is coupled to the adjustment assembly for controlling the positioning of the support assembly. A cushion has a contoured upper side, and one or more opening in the middle part of the cushion on the underside.

An elevation kit that can support a mattress frame or mattress support is movable between a flat position in which the mattress support can be horizontal (so that the mattress can be relatively horizontal) and a raised position in which the mattress support can be canted from a first end to, The elevation kit comprises a base, a locking element, a lever member, and a tilt member. The elements of the elevation kit are structured such that the elevation kit is easily assembled from its shipped configuration by a customer/user.