Funny that @selfcare_gentle 's tip was to not use my phone in bed tonight. Firstly, not going to happen. Secondly though, I have found the blue light filter on my phone. It's weird the way you turn it on and everything looks yellowy. Then you get used to it and when you turn it off in the morning, a perfectly white screen looks completely blue. Of course, I know that's the point, but it is freaky to see it in action.
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