That works in theory. Again, I'm not an ATC, but might be better to have reasonable length workdays (maybe two hours is a reasonable shift though) and more time

That works in theory. Again, I'm not an ATC, but might be better to have reasonable length workdays (maybe two hours is a reasonable shift though) and more time off between workdays. Similar to shift work in hospitals, where more hand offs means more opportunities to fail to hand off successfully. But I suspect it may be easier to hand off an airplane than to hand off an ICU patient.