He was more used to fighting off sleep than sleeping, and even with her next to him, encouraging it, it took him a few minutes to finally succumb to his exhaustion. And she would find that nightmares were ALL his subconscious had for him, her work clearly cut out as she started trying to ward them off, memories of battles that made Ragnarok look like two drunks scuffling in a street. As he passed out, other injuries appeared, healed just enough to allow him to still fight, but many would have had him permanently crippled if he had been mortal. His body was a poor reflection, however, or his mind. Or at least, that was what he feared.