I live in Cleveland currently and in the winter time there is no sun. Thus, LEDs are an excellent alternative, and can be used elsewhere during nighttime. The

I live in Cleveland currently and in the winter time there is no sun. Thus, LEDs are an excellent alternative, and can be used elsewhere during nighttime. The benefits are not "bringing the sun via proxy" ... the benefits are "we have focused on the wavelengths that most rapidly and efficiently excite chlorophylls alpha and beta (harvest sun color and the noon-time color of the summer, if I may approximate the "feeling" of the two active bumps... carotenoids are the main chlorophyll in carrots).