natural light Studies natural light According to various studies Fast Company natural light make less mistakes (2016). Fastcompany.com. Retrieved 24 August 2016 влияят зле на психиката ни Studies saps your energy fluorecent lights Researchers watched two groups of people natural light alertness Research who worked in offices illuminated by real sunlight. Research fluoro lights scientists get it smart lighting One study alertness Research sap productivity fluorescent lights