An apparatus configured to, based on: a received daily target activity level for a user； and a received user daily activity profile for the user, the user daily activity profile comprising activity features each comprising specific intensity and specific duration at intervals throughout at least a portion of a day to cumulatively provide a particular activity level for the day, the user daily activity profile based on one or more of: at least one previous user daily activity profile of the user； and at least one previous user daily activity profile of one or more comparable users； generate an adjusted user daily activity profile comprising adjusted activity features each comprising one or more of adjusted specific intensity and adjusted specific duration at intervals throughout at least a portion of a day to cumulatively provide the daily target activity level for the user； and output the adjusted user daily activity profile for use by the user.
