If you dream of sleeping, then such dream denotes to the tranquility of your mind. On the other hand the dream could be an indication of your inability to open your eyes wide and accept the circumstances you are in. To dream of sleeping with the person that you do not know, shows that you find it hard to deal with the situation that was provided by some person. When see other people sleeping, it usually symbolizes yourself the way you feel and the way you accept others. Consider that sleeping is also associated with the death, when the person sleeps he is not aware of what is happening around him. The new beginning is also a symbol of the sleeping which means that you can start over again, everything from the beginning the moment you wake up.
Read more about dreaming of Sleeping in other dream meanings interpretations.