If ever there was a vicious cycle then this is it. Prospect of lack of sleep is stressful and leads to inability to take advantage of what time for sleep is actually out there.
Okay, maybe it's not quite as vicious as the one with poverty leading to war and disease which lead to more poverty which leads to more.... but it's still pretty vicious. I'm stressed over the fact that I'm too stressed out to do much but doze. This in turn keeps me awake. If it's true that whatever doesn't kill you makes you stronger then by the end of this job I'm going to be fucking ripped.