Everything You Need to Know About How Light Affects Your Sleep

Modern life is all about innovating our way out of our inabilities. We’re not meant to fly, or live 20 stories in the air, or speak to a friend in New Zealand. And (buzzkill alert) we’re not meant to be awake when the sun don’t shine.

Source: http://lifehacker.com/everything-you-need-to-know-about-how-light-affects-you-1782365372