©2019 by GO STEM

Blue Light Keeping You up?

Updated: Aug 28, 2019


Do you have your head in a laptop, TV, or phone before bedtime? These devices produce light in a range of spectra, but the one worth considering for our well-being is the blue end of the scale. Screens emit a great deal of blue light. The light stimulates the brain in a way that prevents the formation of sleep-inducing melatonin. The blue light tells the brain, it is daytime! Not time for sleep. It doesn’t take much light for this trigger to occur. The brain is triggered at 9 lux (a measure of light intensity). An iPhone emits 60 lux! See and read more at: https://curiosity.com/topics/this-is-how-little-blue-light-it-takes-to-disturb-your-sleep-curiosity/