Light affects how we perceive and understand our surroundings. In a good lighting environment, we feel safe and can perform our tasks satisfactorily and safely. Good light means that there is daylight and lighting to ensure correct perception of the room, good vision and a good circadian rhythm.
Lighting should be appropriate to the work to be done and should be adaptable to each individual’s needs. Sometimes you work sitting, sometimes standing, sometimes alone, sometimes in a group. This calls for well thought-out lighting.
Source: Swedish Work Environment Authority