It occurs to her after Frank mentions the shift change that she completely lost track of time. Hazel glances upward at the sky, but she can't really tell. Another yawn manages to break through, but she ignores it; less attention to it might make Frank pay less attention to it, too. "We had an earlier shift the other day, remember?"

Her eyes flutter shut for a moment, and the temptation to keep them that way rises, but she stubbornly opens them again. "Though I guess it might not hurt to ask," that part's unintentionally muttered.