Hello Friend, Good that you are seeking a help here. All your symptoms are sign of anxiety
As body and mind are interlinked, any emotional imbalance can trigger such discomfort like giddiness, sleeplessness, nervousness, constipation and many more.
Better to analyze the root cause that is triggering such emotions issues. Take a professional help to assess your suitation and get recommendations. Don't hesitate to ask for help. Choose online consultation as it will be convenient and easy for your suitation to discuss your problems.
Next Steps
Feel free to reach out to me online through Practo app for further detailed evaluation and suitable solutions that you can follow practically to overcome this problem.