Excessive Sleeping

Patient: I frequently feel asleep (For a very short period say 5 minutes Maximum.I observed that I feel snoring or sleeping under following situations1) When my body is in static conditionI could sleep, even while watching TV, While driving vehicle, In office if not workingI feel almost normal through out the date. My age is 52 years. Male. My weight is 90KG. I daily walk in the morning for 30-35 minutes My family members says that I sleep excessive.I drive in Delhi about 82 KM dailyI am taking following medicineTriolmergest For BP Before Break fast timeFor SugarGulconorm P 15, Breakfast and Dinner timeGulconorm Sr 500 Lunch timeRosewelt F 10 for ChelstrolC PinkPL ADVISE