A reason for your arm or hand falling asleep at night could be because of having a stroke. A stroke is a life-threatening emergency that happens when there is a disruption in the flow of blood to your brain. This can cause paralysis, loss of consciousness, numbness on one side of the body, and impaired speech.
President (capitalization) President is capitalized when it comes immediately before the name of a president of a country. It is not capitalized when it refers to a president but does not immediately precede the name. For example, note the contrast in these sentences: House Speaker John Boehner criticized President Barack Obama Thursday. [CNN]
If you are talking about the President of the United States, it's capitalized. If you are referring to President Kennedy, it's capitalized. It is not capitalized if you are saying, someday I want to be president, because you are not referring to the person who is a president.