Hello Friend, Good that you are seeking a help here. As you mentioned it work related stress is causing such distrubed sleep. Sleep is very important to Maintain both physical and mental health. Sleeping pills will only suppress emotions and just treat only the symptoms and not the root cause.
You should rather work on stress management solutions to get a proper sleep.
Take a professional counselling help to figure out how to get ride of stress and sleeping techniques without medicine.
Next Steps
Feel free to reach out to me online through Practo app for further detailed evaluation and recommendation that you can follow practically to overcome this problem