That's why I now use Flux + Night Shift 24/7. And I now also turn off all my devices hours before sleeping. Yes, it's hard and we all have work deadlines, but if you don't have eyes you cannot work! So...Just wake up earlier and get more or the same amount of work done. Also take more eye breaks where you are looking into nature and sun gazing. Do eye exercises as well. Google eye exercise. Your eyes have muscles too and should be kept in good shape just like any other muscles. This is no joke people. If you have kids enforce strict usage and always cut the blue light. And don't get me started about the 5G that's rolling out.

Google these:
5G WiFi and health
Eye exercises

@in_gene

in my 800k I dont see green:

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800k is fine, but before bad time best mode is black mode ;)

Well the main difference is in how much room lighting is filtered. So if you have bright room lighting and can't adjust it (like at the office) you might wear glasses for that.

If you're worried about backlight leakage through "black" pixels, well, I wouldn't worry at all - the amounts of light are so small that they don't have an effect, when compared to anything that's not black.

@racijr said in In Game F.lux is much brighter than in windows or browser screen, how to set it to the same brightness.:

Oh, thats so bad, but still it's brighter even in window or borderless tested on hearthstone and minecraft

Brighter, or 6500K? Which?

f.lux is very good at blocking light like this, but we do not think there is anything to worry about from this study. Light from screens is just too dim.

A blue sky (not the sun, only the blue part) makes 20 times as much light as a screen, and it occupies a lot more of the visual field. And it is likely the study used a lot more light than this.

The published article does not measure irradiance at the eye - it uses lasers that are explained using "power" and not "power/area", so for now we are assuming these results are a new mechanism (which is important) but that it falls in the existing hazard range, so we don't worry about it, because it's a ton of light.

The "blue light hazard" has been identified for many years and incorporated into international standards, and every LED is regulated by these, but typically these hazards happen at >10,000 cd/m2 for white light, as opposed to 200 cd/m2 for a typical display screen.

I didn't know about darkroom mode as well! Hidden treasure.

I found that I could use Crtl+Alt+I which inverts the colors on my screen on windows.

What are you gonna do? Twiddle your thumbs and meditate? I mean, really. Who sits in total darkness for an hour before bed? Not me! Would you ever d that? lol

Yes meditate, listen to podcasts/radio/music, Alexander technique, self massage, generally unwind before bed. It helps you to relax and not be so uptight and controlling.............LOL.

But do you think this alarm would be inconvenient in a crowded place?

@LordLarsa said in Blue light damage your skin:

Thanks for your answer.

I indeed stay out of the sun and wear suncream when I go out.

I'm always working all the day in front of my computer, I literally spend my life on it. But do you think warm colors like NightLight or F.lux light eliminate the risk to affect my skin?

I did some research, and it turns out that LCD and LED monitors do not emit any harmful light for whatsoever - not for our skin OR our eyes. The only monitors that DO are the old CRT monitors (the really big bulky ones). The only thing "harmful", if you want to call it that, is the amount of blue light emitted. Blue light is alerting. It can delay or suppress or interrupt melatonin production at night. That's the only thing that's harmful about the light emitted from LCD and LED monitors. It's only harmful to your circadian rhythm.

Solved. Thank you.

From my recent observation, I have concluded my wake time in f.lux (not actual) should be based on when I want f.lux to activate... for me, that's 3 hours before bedtime.

If your bedtime is 2 am and you want f.lux to activate 2 hours before (i.e., midnight), then set your wake time at 9 am. If your bedtime is 2 am and you want f.lux to activate 3 hours before, then set your wake time at 8 am.

That said, as a fellow sufferer of insomnia, my strategy is to get my circadian clock back on track. That means ALL blue lights off 3 hours before my desired bedtime (even if I wake up at 3 am). I fear you may be unintentionally adding fuel to the fire and strongly advise against that. Google is loaded with root causes and advice on how to cure the annoyance... it goes way beyond our electronics. F.lux has been a huge help to me but I'm still struggling. Good luck!

@herf Thanks so much. I will consider that. Right now I've discovered that Windows 10 has blue-light adjustment settings, so I'm trying that instead of f.lux. But I will for sure keep these tips in mind.

No, there's not really any seasonality. Except for the fact that, with winter bringing daylight savings times and much shorter days, it's even harder to stay awake in the evenings until my desired bedtime.

Thanks again!