If man was to go to Mars and the U.S. was the first country to go there then it would be extremely important to know if humans could handle such a long period of time isolated in a small and cramped shuttle with completely different biological standards then those of Earth's. This study focuses on how their sleep would be affected. Seven astronauts spent more time then any other American aboard the shuttle Columbia and studied in two, seventy two hour blocks, how their sleep was affected. Most suffered from less and more sparatic sleep but the results are still promising, the tests showed compared to estimates the astronauts did quite well and further tests will be conducted in the future.…