Guides

Circadian Notes

Practical, source-checked guides on screen warmth, circadian-friendly software, and healthier evening computing.

/ 3 min read

How Abendrot Warms External Displays on Mac

How Abendrot warms external Mac displays: direct warming, screen-tint fallback, repeatable checks, and why no monitor list is a universal guarantee.

/ 4 min read

Best f.lux Alternatives for Mac

The best Mac f.lux alternatives and blue-light filters, separated from external-monitor brightness tools and verified against official app documentation.

/ 4 min read

Best Screen Dimmer Apps for Mac

The best Mac apps for dimming a display, compared honestly across screen warmth, brightness, external-monitor control, and blue-light filtering.

/ 4 min read

How to Design a Circadian-Friendly App

How to design a circadian-friendly app: a product checklist for respecting sleep timing, light exposure, and the real schedules your users live by.

/ 4 min read

Night Shift Not Warm Enough on Mac?

Night Shift not warm enough on your Mac? Check brightness, schedules, and external displays first, then add Abendrot for deeper evening screen warmth.

/ 4 min read

How to Make Your Mac Screen Warmer at Night

How to make your Mac screen warmer at night: start with Night Shift and its schedule, then add Abendrot when you want deeper, dedicated evening warmth.

/ 2 min read

What Is Blue Light From Screens?

Blue light from screens, explained: how it affects circadian timing and eye comfort at night, and what screen filters realistically can and cannot do.

/ 3 min read

What Is Screen Color Temperature?

Screen color temperature explained in plain English: what kelvin means, how warm and cool displays differ, and which night screen settings actually help.