Blue light blocking technology aims to help people get better sleep

The latest tech trend has nothing to do with socializing or keeping you organized or even playing games. It's all about helping you catch some zzz's.  Most of us truly appreciate the beauty of a good night's sleep -- even if we don't get it very often.   And for a lot us, there's a colorful problem complicating our efforts to strive for more slumber -- blue light from all our technology.