Are you more productive at late night?

Yes. By far. Some of it is due to the nature of creative work that requires large blocks of uninterrupted time. Most people don’t realize how much a 2 min conversion can knock us out of creative flow. When I am writing or coding it’s hard to have people around that want to interact. At the same time there is a creative burst that comes from collaboration so it’s a balance. I have learned what work benefits from which setting but it’s still something I am working on.

https://swizec.com/blog/why-programmers-work-at-night/swizec...

I used to enjoy working until about 3AM, and sleeping til noon. I definitely got the majority of my core productive work done in the hours between midnight and 3.

As I get older, it becomes less and less feasible though. I'm usually pretty zonked by midnight now, so I do most of my productive work in the evening.