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Some Kindle eReaders have a cool feature called warm light that lets you change the warmth of your screen. Not every Kindle has it, but if your device does support it, you can quickly turn it on or set a schedule and forget about it.
Some Kindle eReaders have a cool feature called warm light that lets you change the warmth of your screen. Not every Kindle has it, but if your device does support it, you can quickly turn it on or set a schedule and forget about it.