The University of California at Santa Cruz has a WWW page concerned with the Quantitation of Dreams that will help you study your dreams. For more on sleep go to the Sleep Medicine Home Page or read an article about Why We Sleep or find out how much animals sleep . The Sleep Well lists many resources on sleep disorders. Thomas Edison, the famous inventor, thought that sleep was a waste of time. Cells don't sleep.
Fish swim in the water all night.
Even a horse doesn't sleep. A man doesn't need any sleep. Isacc Asimov, the science fiction writer, also did not like sleep. I can hardly wait until five a.m. In the army I always woke before reveille.