That the older cat will usually be more stressful. But you can really reduce the stress level of the cat in the following ways. How do I mean here simply caring for cats only suggestions:

Place the bag (it would be better a blanket) in the cat's favorite bed. Create a better place than the standard care for cats.
The old cat usually does not like to eat, because swelling of the gums and teeth are decaying. You can warm the food before serving.
The older cat will more often sleep. Do not give him too much food. Because if too much food and sleep can make obesity. Give your diet. Consult your doctor for a diet of this cat.
Most importantly take the cat to be checked regularly kesehatannya.Pemeriksaan which usually needs to be done is to teeth, gums and blood. Then do vaksinisasi further.
Do not leave the cat alone. If you must leave the rental or send someone to look after
Lives of living things depends on who mencabutnya.Tapi we as humans still have to try to save the cat by way of caring for the cat. There should also you find a replacement for the cat before the cat is now dead. But do not ignore the old cat.

Give him the privilege before he died. In return for lifelong happiness given to you.