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».
Guide to Berlin weather in April The average maximum daytime temperature in Berlin in April is a cool 13Â°C (55Â°F). The average night-time temperature is usually a cold 4Â°C (39Â°F).