I believe your dad needs to seek medical consult ASAP. He may not be able to urinate because blood clots
may block his urinary passage. Also prolonged sleep and decreasing consciousness is also a red flag. He may have metabolic derangements that may be life threatening.
I hope I have succeeded in providing the information you were looking for. Please feel free to write back to me for any further clarifications at: http://www.HealthcareMagic.com/doctors/dr-manuel-c-see-iv/66014 I would gladly help you. Best wishes.