Here is another single datapoint (but supported by a peer-reviewed paper!): I just bought blue light blocking glasses which I put on at around 9 or 10pm every day. They look goofy but it seems to actually work! It’s like a real-life Flux app. I seem to fall asleep much faster and it seems that the bright bathroom light does not to make me as alert anymore.
http://www.nature.com/scitable/blog/mind-read/what_keeps_you...
http://www.amazon.com/Uvex-S1933X-Eyewear-SCT-Orange-Anti-Fo...