My sister (Age 59) is known case of Epilepsy. She is on Oxetol 450 mg in the morning and 600 mg in the night for the past three months. Her epileptic strokes have not occurred since she started to take this medicine. Before that she used to get Monthly 2 or more strokes. But she sleeps more and lazy. She sleeps for more than 12 hours daily. In addition she is taking Lacoset 40 - one tablet morning and evening. Should the dose be regulated? What are tests to be done to ascertain adequacy or over dose of this medicine.