Sundown

About Sundown

Sundown is a productivity tool listed on SuperLaunch — Warmer, dimmer Mac screen in the evening, set on a schedule from the menu bar. It is awaiting its first SuperReviewer verdict.

Sundown is a small Mac app that sits in the menu bar and changes the colour and brightness of the display as the day goes on. You pick the times, and it moves the screen from a normal 6500 K daytime white down toward warm amber and red, as far as 500 K, in steps of 100 K. If you would rather do it yourself, you can drag it to any point on that range at any time. It runs on macOS 14 or later and is built by Jack Richards. There is a page at trysundown.com/science that goes through the research on evening light, and a longer look at the studies on screen flicker and eye strain at trysundown.com/research/screen-flicker-and-eye-strain, which is upfront that the evidence there is thin.

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