It would be insanity to use the people who worked the polls all day to do the count. There is good reason to do the count ASAP. There is no reason not to use a fresh crew to do the count. From US elections I have observed this is always the case. The folks who oversee the poling places are fortunate to make it to poll closing and properly account for their ballot boxes and records. Those ballot boxes and records always go to central locations where the ballots are counted.

Of course this was before electronic voting and "Programs for victory"!

As the Dutch said while fighting the Spanish: "It is not necessary to have hope in order to persevere."

Why not give them a week off and send the ballots elsewhere to be "counted"? Elections need to be promptly and properly administered in public view - this means an immediate count, even if fresh people do the counting - if we want people to feel they are relevant enough to go out and vote.