The invention relates to a patient monitoring system comprising at least one monitoring unit (24) for monitoring the physiological status of a patient and a host system (14) comprising a network of access points (16, 18, 20) for wireless reception of physiological status data. Each monitoring unit (24) is provided to transmit physiological status data to the access points at selected points of time, together with time related data indicating the expected point of time of the next data transmission. The invention further relates to a respective method for monitoring the physiological status of a patient.