"Most people don’t understand the importance of light and how we consume it. Artificial light is completely at odds with our biology...Exposure to the blue lights of dawn and dusk, these are the signals that the brain really pays attention to and uses."

"Most people don’t understand the importance of light and how we consume it. Artificial light is completely at odds with our biology...Exposure to the blue lights of dawn and dusk, these are the signals that the brain really pays attention to and uses." https://t.co/RBz0vDCx47

— Ezra Klein (@ezraklein) August 24, 2018