> high-efficiency blue LED fixtures The extra blue is probably screwing up the circadian rhythms of humans and animals: * https://www.health.harvard.edu/stayi

> high-efficiency blue LED fixtures The extra blue is probably screwing up the circadian rhythms of humans and animals: * https://www.health.harvard.edu/staying-healthy/blue-light-has-a-dark-side https://www.health.harvard.edu/staying-healthy/blue-light-ha... * https://www.npr.org/sections/thetwo-way/2016/06/21/482936520/bright-bluish-white-led-streetlamps-bad-for-our-health-ama-says https://www.npr.org/sections/thetwo-way/2016/06/21/482936520...