A patient support system (10) comprising: a patient support structure to support a patient； control circuitry (26) coupled to the patient support structure； and at least one radio detection and ranging, RADAR, apparatus (12) coupled to the patient support structure, the control circuitry providing power to the at least one RADAR apparatus and receiving data from the at least one RADAR apparatus, wherein the control circuitry performs at least one function in response to the data received from the at least one RADAR apparatus.
