There are a lot of different chronotypes, but it makes sense to have a predictable set of expectations for society. Imagine a world where your doctor was only o

There are a lot of different chronotypes, but it makes sense to have a predictable set of expectations for society. Imagine a world where your doctor was only open from 10pm-6am, because he was a night owl, and your grocery store was open from 7am-10pm, and so on. It would be fairly complicated to navigate. Given that, the question is whether to expect society to be oriented around day or night. Of the two I think day makes more sense for most activities: you can see better, for one thing.