A light exposure monitoring system comprising: a central control server ; a plurality of indoor light exposure zones , each indoor light exposure zone comprising one or more light sources , each light source is configured to send illumination data to the central control server ; and a positioning system configured to communicate with the central control server and to determine: a position (P) of an individual within the plurality of indoor light exposure zones , and a distance between a head of the individual and a floor within the plurality of indoor light exposure zones ; wherein the central control server is configured to: determine in which indoor light exposure zone among the plurality of indoor light exposure zones the individual is presently located based on the determined position (P) of the individual , determine light exposure data for the indoor light exposure zone , in which the individual is determined to be presently located in, based on the illumination data received from the one or more light sources of the indoor light exposure zone in which the individual is determined to be presently located and the determined distance between the head of the individual and the floor of the indoor light exposure zone in which the individual is determined to be presently located, and accumulate the light exposure data to an actual light profile for the individual . a central control server ; a plurality of indoor light exposure zones , each indoor light exposure zone comprising one or more light sources , each light source is configured to send illumination data to the central control server ; and a positioning system configured to communicate with the central control server and to determine: a position (P) of an individual within the plurality of indoor light exposure zones , and a distance between a head of the individual and a floor within the plurality of indoor light exposure zones ; a position (P) of an individual within the plurality of indoor light exposure zones , and a distance between a head of the individual and a floor within the plurality of indoor light exposure zones ; wherein the central control server is configured to: determine in which indoor light exposure zone among the plurality of indoor light exposure zones the individual is presently located based on the determined position (P) of the individual , determine light exposure data for the indoor light exposure zone , in which the individual is determined to be presently located in, based on the illumination data received from the one or more light sources of the indoor light exposure zone in which the individual is determined to be presently located and the determined distance between the head of the individual and the floor of the indoor light exposure zone in which the individual is determined to be presently located, and accumulate the light exposure data to an actual light profile for the individual . determine in which indoor light exposure zone among the plurality of indoor light exposure zones the individual is presently located based on the determined position (P) of the individual , determine light exposure data for the indoor light exposure zone , in which the individual is determined to be presently located in, based on the illumination data received from the one or more light sources of the indoor light exposure zone in which the individual is determined to be presently located and the determined distance between the head of the individual and the floor of the indoor light exposure zone in which the individual is determined to be presently located, and accumulate the light exposure data to an actual light profile for the individual . <EOS>