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']
(..) we bring out the big guns. - "My father doesn't want me to be him." EAMES: Exactly. Three layers down, the dreams are gonna collapse with the slightest disturbance. Sedation. For sleep stable enough to create three layers of dreaming... ...we'll have to combine it with (..)2010 Inception