“…Depression has become a widely prevalent public health concern related with dementia, [1] hypersomnia, [2] sleep disturbance, [3] cardiovascular disease, [4] obesity, [5] and even suicide, [6,7] which has been identified as a burden on both individuals and societies. In China, the lifetime prevalence of depression was 6.9% and the 12-month prevalence was 3.6%, and compared with most high-income countries, the proportion of people with depression receiving mental health services is low.…”