Originally Posted by
the810
One's hate of sunlight should not affect other people either. Again, this is a daytime flight, light is natural and anyone with the background in biology will tell you that sunlight is important element of setting your body clock..
As I am having no background in physics, I cannot comment how well the airplane windows block the increased
UV exposure. In any case the sunlight is much brighter due to the thinner atmosphere and that is highly unpleasant if someone like you prefer to keep the windows open on long haul day flights.