1. An occupancy-sensing apparatus, comprising: a device control assembly comprising: a detector configured to generate an image; one or more illumination sources, the one or more illumination sources configured to emit illumination including at least one wavelength of radiation measurable by the detector; and a controller communicatively coupled to the detector, the controller configured to: detect occupants based on the image generated by the detector; determine an activity state of the detected occupants, the activity state including at least one of stationary or moving.