Abstract: A sheet and mattress apparatus includes a fitted sheet assembly which includes a fitted sheet portion and a first fastener strip attached to and substantially coextensive with an edge of the fitted sheet portion. A mattress assembly includes a mattress portion and a second fastener strip attached to sides of the mattress portion. The second fastener strip is substantially coextensive with the first fastener strip. When the first fastener strip is connected to the second fastener strip, the fitted sheet assembly is connected to the mattress assembly. The first fastener strip can be a first zipper strip. The second fastener strip can be a second zipper strip. A slider assembly is included for zipping and unzipping the first zipper strip with respect to the second zipper strip. In accordance with a second embodiment, the first fastener strip can be a first hook-or-loop material strip, and the second fastener strip can be a complementary second hook-or-loop material strip.