Abstract: In one embodiment, an apparatus, comprising: a memory comprising instructions; and one or more processors configured to execute the instructions to: classify a message at least based on an importance of the message; define one or more silence periods based on the classification, the one or more silence periods comprising at least a pre-silence period or a post-silence period, the message adjacent in time to the one or more silence periods; and delay a function involving the message based on the defined one or more silence periods.

Abstract: There is provided a method of personalising first core content in a health management system. The method includes: obtaining one or more characteristics of the first core content, wherein the first core content is to be presented to a user with a first supplemental content item; obtaining one or more characteristics of the user; and selecting the first supplemental content item from a plurality of supplemental content items based at least in part on the characteristics of the first core content, the characteristics of the user and one or more characteristics of the first supplemental content item. An apparatus and a computer program product are also provided.