Essentially it is a nervous breakdown. That is, not in the physical, but rather in the emotional sense. It is a nervous system problem, typically identified with physical or mental, for example burnout, a lot of exhaustion, lack of sleep, and so on, bringing about side effects like sorrow, nervousness and so on
Explanation: That is, not in the physical, but in the emotional sense... It is a nervouse disorder, usually related to stress physical or mental, e.g. burnout, too much overwork, sleep deprivation, etc., resulting in symptoms like depression, anxiety etc.