Check if the person is breathing or not is the answer
AIDS which results from HIV infections, results from the inability to fight off infections not the viruses direct attack on the immune system. This means other diseases as small as an Upper Respiratory Tract infection (a cold) or the flu, can hit much harder and are more lethal.
Preferably about 30 minutes a day
It is true you dont have to do soem hygine thinhs every day