For last 1 year I have problem of excessive sleep. Test done thyroid function test normal, blood urea 26 mg/dl Serum creatinine 0.9 md/dl normal, glucose tolerance test prolonged normal. For last 1 year I am going to sleep at 9.30 pm and wake up at 9.30 am in morning I do not feel fresh after wake up. It is hard to wake up in morning. I have mild pulmonary hypertension for last 1 year. Now my question is how to solve my problem of excessive sleep. What test to be done.