How does blue light affect sleep?
Technology is ever advancing forwards, and it has brought with it wonders that were unimaginable in a prior age. But it was always those small leaps forward that had the greatest impact, and at the top of the list is the invention of the light bulb. Since then, we have found ever more elaborate ways of lighting everything up. Fluorescent tubes, LEDs and many other forms of artificial lighting are ever-present in our homes and the one thing that unites them all is that they emit significant amounts of blue light. But artificial lighting isn’t the only thing you should worry about.
Electronic devices such as laptops, smartphones, TVs and tablets are part and parcel of your daily life. In fact, you’ll be hard-pressed to live without them. The average smartphone screen time in UK is 3 hours and 23 minutes. Not too bad right? The problem is, that’s just time spent on your phone without including the hours no doubt spent on TV or your laptop. However, every moment spent looking at these screens, be it for work or entertainment, is added exposure to blue light.
What is blue light?
The visible spectrum of light is a combination of many different colours, each with different characteristics. So, why are people so worried about blue light and not the other colours? The answer lies in the fact that blue light has a shorter wavelength compared to…
