Every time I go to sleep in a hotel room, I have a ritual I perform.Since I find the blue light emanating from the devise disturbing to my sleep, I take a towel from the bathroom and place it over the bedside digital clock. My previous husband always found my clock-covering behavior strange. He questioned the impact such a small colored light could have on the quality of my sleep. Thanks to some new research from the University of Haifa and Assuta Sleep Clinic, I have been vindicated. To get quality sleep, check out the full article that originally appeared on