Zero-pressure sleeping mattress

The utility model discloses a zero-pressure sleep mattress, belongs to the technical field of mattresses, and solves the problems that the existing device can only be attached to the surface of a human body through the deformation of a zero-pressure cotton layer, the hardness of different parts of the device is inconvenient to adjust to adapt to the supporting requirements of different positions of the human body, and the limitation exists. A first wear-resistant layer, a spring layer and a second wear-resistant layer are sequentially arranged on the top face of the supporting layer, a memory sponge layer is arranged on the top face of the second wear-resistant layer, an air bag layer is arranged above the memory sponge layer, an inflation head is fixedly installed on the side face of the air bag layer, and a zero-pressure cotton layer is arranged above the air bag layer. Grooves are symmetrically formed in the side walls of the supporting layer, threaded holes are formed in the bottom faces of the grooves, a