Sleep is one of the important element in our life.

And blue light exposure after the sunset is not going to help much with that.
Let’s make a decision to block out blue-light after the sunset.


In windows machine you can install f.lux to let it automatically adjust the display .

On Mac, there is a built in part that you can set in “Display Setting”

Display -> Night Shift. and turn it on.


Easy .. :)