This is interesting. Thanks for the link! Nonetheless, I don't think these guys are getting 4 on 4 off... I think they just work basically straight through for

This is interesting. Thanks for the link! Nonetheless, I don't think these guys are getting 4 on 4 off... I think they just work basically straight through for 12-16 (or more) hours and get maybe a day a week off. I can completely sympathize though that 4 on 4 off would be incredibly hard in and of itself. I'm not sure I could do it for weeks let alone months on end.