Well, 10 days without sleep and death ensues.... If you are familiar with the hit TV show House, M.D. you will recognize that in the dialogue above I borrowed heavily from an episode about a patient with potentially fatal insomnia.
Languages of Berlin. German is the official language in Berlin. English is also widely spoken in Germany, especially in the tourist areas. Check out more Travel Tips Â».
On 30 June 2017 the city-state of Berlin had a population of 3.69 million registered inhabitants in an area of 891.85 km 2 (344.35 sq mi). The city's population density was 4,048 inhabitants per km 2. Berlin is the second most populous city proper in the EU.