Dim lighting sparks creativity
http://www.psmag.com/blogs/news-blog/dim-lighting-sparks-creativity-60437/
2 threads
It definitely does. I get a lot of ideas when I'm laying in my bed really sleepy looking at the two dim bedlights that are on while the rest of the room is black.
Maybe this could explain why hackers love to code late at night. I'm definitely more productive at night then in the day time.