Dr. Alexander Wunsch claims that near infra-red between 570 nm and 850
nm is essential as it primes the cells in your retina for repair and
regeneration
Since LEDs have virtually no infrared and an excess of blue light that
generates reactive oxygen species (ROS) they are harmful, particularly
at night
http://articles.mercola.com/sites/articles/archive/2016/10/23/near-infrared-led-lighting.aspx?utm_source=dnl&utm_medium=email&utm_content=art1&utm_campaign=20161023Z1&et_cid=DM123594&et_rid=1723606131.
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