Not bloody means being able to sleep. battle tested helps. adrenaline flaw hurts.
being calm is being able to sleep and either resting or sleeping. (maybe I am recalling wrong and it was being sleeping)
I don't recall exact numbers. But I recall my mino/warrior/all-bird/whispers/wise-recovery could heal about 30 hp per tick through plague+poison+famish or through all-dagger-bleeding.