神经衰弱

noun

neurasthenia; nervous breakdown; a functional disorder of the nervous system characterized by headache, tinnitus, forgetfulness, insomnia, irritability, and easy fatigability

A clinical term used in psychiatry and neurology to describe a condition of chronic mental and physical exhaustion. In modern psychology, the term is sometimes considered outdated, with symptoms now often attributed to depression, anxiety disorders, or chronic fatigue syndrome.