This is a multifaceted problem, but I think one of the primary issues is our attachment to our devices late at night, which gives our eyes a whopping dose of blue spectrum light at exactly the time of day that our eyes are only supposed to be seeing darkness,» says Dr. Ellen Vora, a holistic psychiatrist and sleep expert. (mindbodygreen.com)
Electronics emit blue spectrum light which restrains your body's production of melatonin — the hormone that makes you sleepy. (fitnessandpower.com)
In other words, as day transitions into night, so the Kobo Aura One's screen transitions from blue spectrum light to red spectrum light. (mobilesyrup.com)