Firstly, it's essential to understand that our cell phones emit blue light, which puts our bodies on high alert. This is ...

However, phone and laptop screens emit similar blue light, too. This light then tricks the ganglion cells into thinking there’s daylight and your body should not prepare to go to sleep.

Even some fluorescent bulbs and LED lights can emit it. “And, of course, the sun emits blue light, too,” adds Williams. While it has long been known that blue light can interfere with our ...

An emergency blue light phone system has been installed on campus to make the reporting of serious incidents easier and quicker. To report an emergency, crimes in progress, or a suspicious ...