Recent studies have shown that there is a direct correlation between blue light at night and insomnia. Some studies have even shown that nighttime exposure is so detrimental it may contribute to the development of certain cancers especially breast cancer. (http://www.nih.gov/news/pr/dec2005/niehs-19.htm) Blue light exposed to the eye reaches pineal gland within the brain prior to bedtime and, in turn, suppresses the body’s natural melatonin production. Today’s epidemic level of insomnia and other maladies is definitely understandable since melatonin is known as the sleep hormone and is also a major cancer-fighting antioxidant.
Blue light is everywhere. Incandescent light bulbs, compact-fluorescents lamps, televisions, PCs, smart-phones and iEverythings each bombard us with blue light. Fortunately there are simple ways it can be eliminated. Sleep glasses and no-blue light bulbs along with filters for electronic devices can block this hazardous nighttime light. In reality, blocking blue light creates a virtual darkness which allows the body to produce melatonin normally. One internet company that carries these innovative products is www.lowbluelights.com.
It's pretty darn easy, folks. Block blue light, sleep better and possibly even prevent cancer development. In this day and age when pharmaceuticals seem to be The Answer, it's good to know that blocking blue light exposure before sleep is a proven method in the ongoing struggle against insomnia.