A couple of years ago, I bought a new digital alarm clock. The numbers are displayed with blue light instead of red. I thought blue light would be more soothing and possibly help me drift off more easily to the land of nod.
on Yahoo! |
A couple of years ago, I bought a new digital alarm clock. The numbers are displayed with blue light instead of red. I thought blue light would be more soothing and possibly help me drift off more easily to the land of nod.
on Yahoo! |
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