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12

I found this article which explains how our body reacts to these LED devices (including ereaders). Near the end of the article, it says that programs that reduce the amount of blue light do actually aid you in getting a better nights sleep. So, to summarize the article; blue light is what causes you to have a bad nights sleep after using a LED device (...


5

This BBC article discusses the effect of of using e-book readers on your melatonin and sleep. It is based on this study. The conclusion is that the blue light emitted by tablets and phones etc. can interfere with your sleep (but traditional e-book readers with passive screens do not). So, those apps could help if they reduce the brightness or adjust the ...


5

I don't know about any for those particular screentypes, but LCD vs E-ink has been researched by Siegenthaler, et al. This study showed that the objective reading behaviour is little different between the two types, but strangely (to me) the subjective preference shifted over time from a small advantage by E-ink to a small advantage by LCD.


2

From personal experience, switching to Night Mode helps reduce eye strain though it depends on whether you have a specific eye condition that requires you to read (e)books in Bright Light. It's important to note that you should minimize your exposure to the colour blue if you intend to fall asleep (see: this page). It'd be best to adjust the blue tint of ...


1

This is not exactly an answer which describes a single study (but studies are part of what I searched through). What I did: I searched systematically google using appropriate words "backlit lcd vs e ink epaper eye strain" and looked at all the first results (first google search sites). I extracted all the important text parts of these links and attached ...


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