The invention relates to a detector (2) for determining the use of a mattress (1), including a motion sensor (21) for detecting and/or measuring the movements of the mattress (1), and a level sensor (22) for measuring the level of the mattress (1) and/or the orientation of the mattress (1). The invention also relates to a mattress (1) including such a detector (2), to a system for managing a mattress inventory including a plurality of such mattresses (1), and to a remote device (3) communicating with each of the detectors (2) of each mattress (1).
