The sleep disruption is a good thought. I would also think the exposure to jet exhaust. For me, that smell evokes a nostalgia for picking up grandparents at th

The sleep disruption is a good thought. I would also think the exposure to jet exhaust. For me, that smell evokes a nostalgia for picking up grandparents at the airport. It is probably hazardous to work at an airport and breathe it all the time.