I highly recommend you check out this app. It’s a cross-platform app that dims your screen and adjusts the colors as night time comes. You enter your location and around sunset, it starts to adjust your screen to simulate sunset. It’s good for your eyes and sleeping schedule since we weren’t made to stare into bright lights (monitors) for 16+ hours a day.
I’ll tell you, the first day I used it, it put me right to sleep. It’s tough to keep it on if you’re doing design work since it adjusts the colors on your monitor, but if you’re writing, coding, blogging, or just surfing it’s definitely a great app to have running.