On the window of a cafe-restaurant in Berlin, we saw the following sign. What does that mean exactly?
Nachtruhe - Night rest
Tageszeit : 06.00 - 22.00
Nachtruhe : 22.00 - 06.00
From 10 p.m. to 6 a.m. it's forbidden to make noise, by local law. Obviously someone wants to remind people about this point.