I wonder, why we missed out the turnarounds for flight crews. A service vehicle could pick them up, ship them to recreational rooms until their departure and this could be a service needed for larger flights like intercontinental ones. In that case, stands for parking the plane overnight would be a requirement as well. Like after unboarding, the plane will be shuttled to a ‘parking lot’, where the ramp agents can do their thing undisturbed. Flight crew leaves the plane there and goes to a dedicated room to rest and sleep. When the flight is activated again, the crew will board, drive to the stand at the terminal and wait for baggage and passengers before take-off.