Hello Friend, Good that you are seeking a help here. All these mentioned symptoms are sign of anxiety in your mind and may be due to studies related stress or loneliness or genuine weaknesses in the body. Anyway, better take a professional counselling help to assess yourself and get suitable recommendations.

Firstly take a day off.. Stress and anxiety are the main source of augmented depression. Having said that Also Pl consider the following. 1. Get your thyroid tested. 2. Do you have low hemoglobin 3. Do you have a proper menstrual cycle 4. Are you able to sleep well. 5. Are you able to get up on your own fresh. 6. Do you feel listless. 7. Are you understanding the studies you are doing. 8. How is the relationship with family. I need these answers to help you further. Remember there is nothing wrong with you.. May be some chemical imbalance is there which we can fix

U need to speak to a psychotherapist asap .. u may call me on nine seven nine five three four five six seven eight

Isolation may lead to depression and /or other psychological issues. Consult a psychiatrist for detailed evaluation and treatment