Have you considered that this might actually be a diagnosable disorder? I’ve previously had a colleague with delayed sleep phase disorder[1] and we were able to

Have you considered that this might actually be a diagnosable disorder? I’ve previously had a colleague with delayed sleep phase disorder[1] and we were able to do things like shifting team standup to first thing after lunch, which allowed them to arrive at work at 12:30, then work through to 20:30. Really wasn’t any different to working with people in different time zones, just requires some thought about how you approach it. [1] https://en.wikipedia.org/wiki/Delayed_sleep_phase_disorder https://en.wikipedia.org/wiki/Delayed_sleep_phase_disorder