The violence that soldiers experience in war can lead to emotional 'disturbance' in later years.
He was arrested for 'disturbance of the peace'. [=behaving in a violent or noisy way in public]
She suffered from frequent sleep 'disturbances'. [='disruptions']
(..) You said that God brought us together for a reason. Right? I'm pretty sure it's not to write a book. I'm gonna get dressed. We've isolated the disturbances to the attic. Oh, my God, that's it. Do it again, Ed. Right now it's just my weight. But you take the water coming off the pipe... (..)2013 The Conjuring