The present invention refers to an articulated mattress that does not need any specific frame for its perfect functioning, mattress that may be provided with a massage device, pertaining to the general market, having particular application in the field of health and prevention and being included in the group of products that provide comfort and wellbeing. The said mattress is characterized in that it is articulated, in that it is provided with an internal support structure of the plate and of the cushion and with an external stabilization structure, the internal structure comprised by a superior element, an inferior element and a central element, the external structure being connected to the other two elements by means of joints and having at least two supports for pivoted fixation of the elevation mechanisms responsible for the movement, independently, of the superior element and of the inferior element, the internal structure being, in turn, connected to the external structure by means of, at least, a foot with which is provided the central element, connection that is of the removable type.