There is a well-established fact: the creatures carry his bed. You can throw their hand when they want to sleep in the new lair. With a probability of approximately 30 to 40%, they do spread a bed. That is, they carry accessories for sleeping with him. Will be very useful (especially in large maps with lots of passages, which rarely settles only 1 fight), to teach the units - once they go to sleep, go to sleep at first not occupied by the tile of the lair, closest to them at the moment. Yes, you can work hand, but when more reasonable units more 30, and the battle taking place in one or in another place, and there are tasks to work in different places, this will bring the game to its strategic part, the simulator god (since when the gods every snot wipe, personally?), and not to a primitive clicker "open the notification and drag unit".