1, spent most of the day in a depressed state, unhappy, and lost interest in all daily activities and even favorite activities;
2, the appetite changes greatly, the appetite is obviously reduced or improved, and the weight also changes obviously with the appetite;
3, the quality of sleep is unstable, not insomnia every day or too much sleep time, the condition may be mild in the morning and serious at night;
4, the emotional state is low, I feel that I have no value all day, always belittle myself, often think of death, and even have self-sha behavior in serious cases;
5. Repeated mental state, high or low mood every day, feeling exhausted, lack of energy, lack of enthusiasm for doing things, lack of concentration, and decreased thinking ability;
6, life can not take care of themselves, self-knowledge is seriously lacking;
7. During sports activities, the speed is obviously slowed down or agitated.