code: public void sleep(int time)
  	{
  		if(config.commandLogging){
  			Log.d(config.commandLoggingTag, "sleep("+time+")");
  		}
  		
  		sleeper.sleep(time);
  	}
docs: Robotium will sleep for the specified time.
  
  @param time the time in milliseconds that Robotium should sleep