Quote:
Originally Posted by Katsunami
I assume that your exposure to the light of your e-reader will not be so prolongued and so extreme that it'll cause you cancer.
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No, but light in the blue spectrum is known to affect your melatonin level and disturbs your sleep, which is why it is recommended that you not use things like tablets before sleep. Reading with the front light before bed is just the kind of thing that people use the front light for, so it matters whether the light tints blue or yellow.
Now, if you are one of those people who pass out the second your head hits pillow, probably none of this matters. Otherwise,, it may be affecting your sleep in ways you're not aware of.