Light in Healthcare Environment (Ljus i sjukhusmiljö)

The goal of this clinical trial is to learn if light can enhance the feeling of well-being and sleep quality in Radiographers. It will also find out if there is an optimal recipe for light. The main questions it aims to answer are: * Will alertness, energy levels, and sleep quality increase in radiographers when the lighting is differed? * What light recipe is the most beneficial for the personnel? Researchers will compare no enhanced light environment to different enhanced light environment to see if the enhanced light is beneficial for radiographers. Participants will: * Will work in an enhanced light environment or a non-enhanced light environment * Answer surveys * Take saliva sample