Herbert and colleagues (2012) state that changes in autonomic activity following a specific type of interoceptive sensation, intensifies general interoceptive awareness. This conclusion is being critically examined and reformulated. A distinction is made between Interoceptive Awareness (IAw) and Interoceptive Accuracy (IAc); awareness not necessarily implying accuracy. Given the heterogeneity of interoceptive sensations, we question whether heartbeat perception tasks can be considered as a measure of overall IAw or overall IAc. Results are reinterpreted to indicate that homeostatic challenges which lead to an increase in inotropic cardiac activity, lead to an increased Accuracy of heartbeat perception, and perhaps increased Awareness of heartbeats. However, the findings do not provide conclusive evidence that such challenges increase other types of IAc, nor that they increase overall IAw. Furthermore, it remains unclear whether homeostatic challenges leading to a decrease in inotropic cardiac activity, lead to changes in accuracy of heartbeat perception.