BusinessSleepless in Berlin! To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoBusiness12/03/2019December 3, 2019What to do when you can't sleep at night? Count sheep? Well if you're Olaf KRIEGER you hit the town. And he’s clearly not alone - it feels like the whole city is awake. Don't waste your time, make the most of your nights! https://p.dw.com/p/39p5KAdvertisement