1. No need to take medicines for insomnia. It is a symptom of other problem existing not a cause in you as per details
2.Not so regarding anxiety...
3. It depends on What and how Medicine is prescribed ...a correct medicine or treatment should not imbalance the Daily activity rather it corrects life quality and quantity.
4. Ayurveda as the name ..it is Life Science that includes medicines too.. anxiety is curable.
Health Tips
Life is the purposeful combination of Physical Sensual Psychological Spiritual Dimensions.
An ideal Ayurveda Treatment reaches to all dimension if done as per classical way.