Have you experienced trouble falling asleep after staring at your phone or tablet before bed? Blue light – whether from the sun or your digital screen – wakes us up and stimulates us. This also means that too much blue light exposure late at night can disrupt our our ability to fall asleep. Many devices now have a “dark” or “night mode” setting to decrease screen brightness, but does it help with eyestrain, or to decrease blue light exposure? Learn more at http://bit.ly/2JZck21
