This is specific to the latitude of Berlin, though. I grew up in northern Sweden and in the winter there is no amount of clock adjustment that will make you avo

This is specific to the latitude of Berlin, though. I grew up in northern Sweden and in the winter there is no amount of clock adjustment that will make you avoid your morning activities being in the dark. But if you did use DST permanently, you'd at least have a slightly better chance of seeing some light when you get out of school or work.