There will be 70 year old who do not move around very much, very often and there will be 70 year old who are more active than someone half their age. A good guide is - as much sleep as they need
There are many good cell phones for senior citizens. One would be able to find goods phones for senior citizens on websites such as "Consumer Cellular".
How many hours does it sleep
Many vacation rentals are available that are specially designed for senior citizens. One place that you can visit is www.vacationrentals.com/media/senior-citizen-rentals.htm
There are many companies out there that deliver meals to senor citizens; this will depend on the state as well. Some of the companies that deliver to senior citizens are: Healthy Meal Delivery, Schwan's, and many more.
They buy more expansive life insurance because there is a more likely chance of death among senior citizens. There are many commercials on TV that talk about senior insurance.
ten thousand
There are some senior citizens who play but not many.
if you mean how many hours you should sleep in a year it would be 3,650 hours of sleep for a regular year not a leap year
There are many affordable flight rates for senior citizens available online. For example you can visit www.bargaintravel.com/senior_travel.html or www.suddenlysenior.com/airfareseniordiscounts.html
There are many great vacation spots which cater to senior citizens. For some examples online you can visit such websites as seniorjournal.com/Travel.htm
you must get atleast 9 hours of sleep
I sleep about 7 to 9 hours a day