Turkish Starbucks and its local equivalents are usually open until 2am. Don't have an idea on the impact on entrepreneurship though.
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I used to sit at cafes pretty late with a laptop — buying multiple ( >= 2 ) cups of coffee, often salads and sandwiches — in the countries I lived in, but there’s none of that in Ireland. Most non-chain cafes are not open past 17; and chains go on until 20.
Germany I find even worse though. It's kind of ironic since they seem to have a more robust nightclubbing culture compared to the Brits.