Just a couple nights of lost sleep can have a serious, deleterious effect on cognitive function even in a healthy, thriving individual. While there are exceptions, the extreme stress of economic despair is more often a cause of mental health issues than an effect.

Treatment of any mental health condition, regardless of cause, requires an effective degree of financial, economic, personal, and property security. You can't be expected to take your meds on time when they are stolen every time you fall asleep.