Hi. I appreciate you talking about your concern.
As per given information, along with medication Psychotherapy will help better to treat your mother through depression and insomnia. A professional Psychologist will take psychometric assessments to know more about the issues and can diagnose for a better treatment plan.
Consider therapy options like cognitive behavioral therapy (CBT) , NLP or Hypnotherapy under the guidance of a professional Psychologist.
Next Steps
You can further contact Rupali Mohbe (Psychotherapist & Hypnotherapist) at Practo for more discussion.
Health Tips
Try to engage in a regular walk, starting with 15 minutes and gradually 30 minutes.
Sit in a garden and have sunlight during morning time
Maintain a healthy diet and ensure sufficient sleep