Dreamcide - Chapter 168

okay so after Hazin became the revenant, WHY IS HE CONSIDERING GOING BACK INTO THE FUTURE? I would be scared to sleep, because wouldn’t that accelerate the effect the devil has on Hazin’s mind and body? Every time Hazin sleeps, he accumulates 7 year’s worth of knowledge and change. So shouldn’t they get the torture over with NOW, when he’s in the past, having not time travelled once since he became the revenant?