Originally Posted by
busdriver12
Seems like you could ask them if you could have the sleep room right then for 12 hours, then vacate it for your remaining four before the trip when you're awake anyways. I don't recall being told you could only have it for 12 hours prior to a trip, just don't use it for more than 12.
They changed the rules recently and have a printed list of them now on display at the coordination desk. It doesn't read like there is a 12 hour limit from whenever you sign one out - it is based on your departure time. Outside of 12 hours, no room.