The invention relates to a process for monitoring the change of human activities in a residence with time.;The process includes:-For a plurality of continuous time intervals, a (S10) time series is obtained, and for each time interval, a value associated with the time interval is included, which indicates the consumption level of at least one electrical equipment in the time interval,-For each time interval, the value (S20) associated with the time interval is compared with at least one reference value,-On the basis of comparison, determine (S30) indicative target information of personal activities, and-According to the target information and at least one target reference information indicating the routine activity of the individual, the change of the individual activity with time is monitored (S40).
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