Hello Friend, Good that you are seeking a help here. Some of your symptoms are related to anxiety and stress. You may be going through some emotional battle inside either due to careers or relationships issues or some health related worries .. Such pre occupied emotions at time outburst and causes sleeplessness, breathing issues, headaches, Mood swing, nervousness, lack of appetite, constipation, loss of memory, anger etc. You are experiencing few of them. So it's better to  take a professional help to figure out the reason or root cause of your emotional imbalance and the follow a treatment plan. Don't worry. These are like any other physical illness and can be addressed through counseling support, self therapy, change in lifestyle or dietary.