It will be better for my health if I take day shift.
Okay, I'll take the midnight shift and relieve Helix after we eat.
Is there a reason we're using sun based cycles in space?
Ease of understanding. Circadian rhythms. But mostly, it's tradition.
That works. Humans have many fine traditions. I think I'm going to be particularly good at the naval tradition of oversleeping and relieving your shift late.