In the most recent issue of Architectural Lighting, LRC Director Dr. Mariana Figueiro explains how red and blue light can be a means of increasing daytime alertness and nighttime sleep.

While tunable lighting systems provide a dynamic lighting solution that create an aesthetically pleasing environment for users, when it comes to circadian-effective lighting, layers of saturated colored lights delivered at the plane of the cornea, rather than white light coming from the ceiling, may provide a more energy-efficient, comfortable, cost-effective, and aesthetically pleasing design solution.

Check it out here.