article_snippet: This image shows the two different types of light treatment used - ‘white' light similar to newer commercial LED street lighting systems and an 'amber' light simulating a type of sodium street lamp .
article_snippet: Researchers from the University of Exeter exposed Researchers from the University of Exeter to two different types of light treatment - a ‘white' light similar to newer commercial LED street lighting systems and an 'amber' light simulating the type of sodium street lamp still found in much of the UK and further afield.
article_snippet: Over recent decades, the number of streetlights, and the brightness of lighting, has grown enormously.
article_snippet: ‘our also use increasingly powerful lights to illuminate outdoor areas around our homes.
highlights_snippet: Researchers from the University of Exeter exposed Researchers from the University of Exeter to two types of light spewed out by streetlamps .
  