Quote:
Originally Posted by rkomar
First you have to show that there is an affect. That's what the current research shows. Then you can spend more time finding out what the thresholds are (not easy to do). For people who aren't researchers, let me explain something: you rarely get to the final result in one step.
Even though the research isn't complete, this information is still good to know. If you happen to have trouble falling asleep after reading on a tablet or laptop, then you have some idea why that might be so, and what you can do about it. Just because some people can fall asleep after using a dimmer device, and they assume that it hasn't affected their sleep, it doesn't make the research results rubbish.
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It is well known and was already scientifically proven that exposure to blue light has this effect and that the iPad has blue light to improve the brightness. This test was specifically designed to induce the results. If the goal was to be a first step using an extreme use case then they should have used a 150 Watt full spectrum reading lamp for the paper book scenario.