I think it's more likely that the cause is the initial high-engagement period that budding startups have. The infographic shows the average workday being 9am-12

I think it's more likely that the cause is the initial high-engagement period that budding startups have. The infographic shows the average workday being 9am-12am. when you're working 15 hour days you don't really have time for anything else, regardless of what town you're in.