http://lesswrong.com/lw/gdl/my_simple_hack_for_increased_alertness_and/ http://lesswrong.com/lw/gdl/my_simple_hack_for_increased_ale... Apparently, very bright

http://lesswrong.com/lw/gdl/my_simple_hack_for_increased_alertness_and/ http://lesswrong.com/lw/gdl/my_simple_hack_for_increased_ale... Apparently, very bright light may improve productivity as well.