Hello Friend, Good that you are seeking a help here. Sleep is very important for both physical and mental health. Any emotional disturbance like anxiety or depression or stress can affect your sleep. Your mentioned symptoms points to stress and anxiety.
So better to analyze the root cause for such emotional imbalance. May be take a professional counselling support to assess yourself first and figure out the reason and possible solutions.
Next Steps
Feel free to reach out to me online through Practo for further detailed evaluation and recommendations that you can follow practically to overcome this problem.