Functional bedding, functional bedding components, and functional bedding accessories, manufactured/provided in the form of and built-into various mattress and bedding related items namely, mattress encasements, mattress covers, box spring covers, platform covers, foundation covers, adjustable foundation covers, built-in panels for platforms, foundations, adjustable foundations, mattresses, mattress supports, foam mattress toppers, bed skirts and kits incorporating the foregoing and components for delivering air thereto; Devices used to facilitate the maneuvering of mattresses including removing, installing, rotating and lifting mattresses and kits incorporating the foregoing and components for delivering air thereto; Devices for facilitating installation, removal and replacement of a bed skirt over a box spring, platform or foundation and kits incorporating the foregoing and components for delivering air thereto; Devices for facilitating installation and removal of an encasement, devices for sealing gaps in encasement zippers, adjustable mattress retention bars and kits incorporating the foregoing and components for delivering air thereto