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>> From a health perspective, does the right light offer any benefit over the PW3?
>> Anything with data behind it?
I don't think anyone really knows the answer to that. When this first became a thing I read a number of articles that discussed blue light in relation to sleep and it seems studies have found a connection if there's quite a bit of blue light. Other studies have found little or no connection.
Then when it became a thing with ereaders there was a lot of speculation. There's a lot of question about whether the light in ereaders is bright enough for any of this to matter and, at least when I was reading about this, there weren't any real studies. That may have changed now. I decided I wasn't interested and haven't followed the topic.
That said, I do have the new Nook which does have the color adjustment and I did play with it a bit and I found that adding a tiny bit of orange made the color more pleasing. I leave it that way. I don't use the setting to make it more orange after dark.
I read a lot in bed before going to sleep and I haven't found any difference in reading with the Paperwhite and the Nook, but, of course, I'm not really using much of that feature.
Personally I don't think there's any reason to worry about any of this. Others do and I have no reason to disagree. I just haven't found anything that seems very convincing.
I do a lot of reading in bed at night and then I go to sleep and I sleep just fine.
Barry
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