Fluid bedding

Bedding comprises a sealed bag body 3 having an elastic body 1 with a plurality of continuous pores and gas 2 sealed therein and having looseness in the upper part thereof, and a water-sealed bag body 6 disposed on the upper part of the bag body 3 having an elastic body 4 with a plurality of continuous pores and liquid 5 sealed therein and having looseness on the upper and lower parts thereof, whereby bedding capable of providing comfortable sleep can be realized by uniformly supporting a human body, with the buoyancy of the liquid while reducing the amount of the liquid required therein.