Not if you're using it to read a book or periodical.
If you mean for circadian rhythm - then it depends. If you're using a kindle or other one with an electrochromatic screen - no. If you're using one with an lcd screen - yes.
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2 comments:
Not if you're using it to read a book or periodical.
If you mean for circadian rhythm - then it depends. If you're using a kindle or other one with an electrochromatic screen - no. If you're using one with an lcd screen - yes.
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