Not to diminish your study, but a simple "blue light circadian sleep" search in google scholar suggests a pretty mature understanding of the phenomenon, both at

Not to diminish your study, but a simple "blue light circadian sleep" search in google scholar suggests a pretty mature understanding of the phenomenon, both at biochemical and phisiological level. My little study shows that after covering with black electrical tape each and every blue and white status led around the house everyone involved sleeps better.