Show notes
While blue light is environmentally friendly, it may not always be so friendly to our health. For example, blue light can affect your sleep and potentially contribute to disease. Until the invention of artificial light, the sun was our only source of light, and once it had set, people spent their time in relative darkness.00:00 What Is Blue Light02:21 Blue Light and Sleep03:18 Blue Light and Eye Strain04:03 How to Limit Blue Light Exposure