Hi thanks for your approach to us , yes I understand that you are going through rough phase from few days for personal or professional reason, which is effecting your emotions, over thinking, lack of focus/ sleep .
Taking tablets could help you to settle your sleep problems or tieredness. But try to cope with the actual problem you are facing from so many days, which is result for physical dysfunction and also you could lack coping and managing ability.
Next Steps
as it is common problem most of them feel, you can take the help of psychologist to cope with situation by taking different therapy
Health Tips
however try to have your routine, socialize with people you are comfortable, work on hobbies or activity that could calm, build the confidence by working or identifying your stress, exercise or relaxation or mindful techniques, fix proper sleep time along with diet . take care stay positive.