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I still advocate for the use of f.lux itself. Not only does it support them continuing to lead the charge, but we are also at risk of OS makers reducing the functionality if we don’t keep them on their toes.

f.lux still lets me go to a lower colour temp than either Windows or OSX. I know I’m a niche audience, but it makes a difference to me and I don’t think I’ll get anywhere by shouting at the giant Wall of Apple to expand their range.



there's also some sort of associative positive placebo effect -- oh flux kicked in and it just makes us feel better somatically / prophylactically -- time to relax, deep breath, not stressing about or late night coding or life or whatever


Yes. I do the same thing with my LED houselights, making them yellow and then orange in the evening. When I set them to white temporarily and then forget to change them back I've noticed it seems to increase my alertness/delay drowsiness.

It's most likely just that I've conditioned myself, but in practice I don't really care about the cause. I only care that it helps me wind down in the evening.


If you use home assistant there are some addons that allow you to sync the temperature of your LED bulbs to how high the sun is at the moment in your location... it's pretty neat. https://github.com/claytonjn/hass-circadian_lighting


Yep, I also do this. It's excellent. Whether it's conditioning, placebo, or an effect of the receptors in the eyes; I'll take it.

There's something that feels good about being in sync with the natural day/night cycle. Cool white in the morning, warmer more dim light at night. I also like the idea of having a "sunrise/sunset" wall for any room that doesn't have proper windows but I've never implemented it.


+1 / thank you to everyone who added the conditioning causative effect to thread


I had extreme migraines for several years. 10 minutes under a fluorescent light would leave me completely dysfunctional.

Flux helped noticeably. For true relief FL-41 glasses would extend the time to a few hours.


I've noticed (varying degrees of: thankfully very few people get migraines) the same effect with hundreds of co-workers and employees.

A few times for late shifts in various businesses I've convinced the execs to shut off the fluorescents and I cannot describe the wave of relaxation that hits almost everyone.

It's so much worse also with the combo of 60Hz monitors and 60Hz AC power.


my primary alertness / relax goto these days was wholly unplanned -- swapped out a morning nasal saline in lieu of flonase to eliminate yet another medication, and turns out it also boosts alertness / relaxes -- so now just do morning and night &/or if needed during day plus sinuses way more clear in morning

* is pure OTC saline -- not any of that other stuff people use for hangovers, etc.


This comment reminded me that when I used flux and I'd work late, I'd reach a point where I'd get _tired_ because the blue light was gone (and I had my flux settings cranked). I haven't felt the same way with Apple's Night Shift.


I like that it has a hotkey for toggling it off and on, as well as some automation features for toggling it off when certain apps are in use. It's nice that windows has built in Night Light but it turns all my screen recordings orange.


And a lower brightness than you can go to without it, for Windows at least. On linux, you can make it happen, of course. Idk about Mac.


Glad someone else commented this. The a stock MacOS and Android features don't get nearly red enough for my preferences at night.


I used to run custom Android ROMs and now on my Pixel devices the #1 thing I miss are warmer temperatures. The stock options barely do anything.


Use Twilight app on your Pixel. Note that thankfully you can also give it Assistive permissions so that it can redden the whole screen (otherwise it won't have permission to redden things like the status bar and notifications pulldown).


I also still run it on every Mac I own. Love the tool and its functions.


Still use it myself as well... I like it less warm than macOS's night mode, and since I'm a night owl I get to make f.lux start its color change later than sunset.


You can also adjust the warmth of the color in macOS's night shift mode. Does that not work for you?


Ahh you're right! With f.lux I can still shift offset from sunset, so it still works a bit better for me.




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