According to Harvard Medical School, "Exposure to blue light at night, emitted by electronics and energy-efficient lightbulbs, harmful to your health."  https://www.health.harvard.edu/staying-heal...

Hello, my name is Dr. Mariana Salmasi, O.D. but you can call me Dr. S.  I am a licensed Optometrist and have been practicing for over three years.  In 2013, I published my first eyewear patent.  I ...