i notice this more on hitting gold mines and/or stone.
but seems hit and miss
i can't quantify this, but I have noticed that say my wood production is 12, if I wait after logging in, it will go up a few small notches. not sure why
one thing I have noticed to get rid of idle workers is not click them with the mouse, but rather use the gui task worker. this has sometimes (but not always) got rid of the idle worker message
There are many good reasons for drinking and one has just entered my head
if a man can't drink when he's living how the hell can he drink when he's dead