/**
 *  Cause a thread to nap.
 *
 */
public class Sleep {

    private static final int LONG_SLEEP = 5;

    /**
     *  Nap for zero to LONG_SLEEP seconds
     */
    public static void nap() {
	int naptime = (int) (LONG_SLEEP * Math.random());
	
	try{
	    Thread.sleep( naptime * 1000 );
	}
	catch( InterruptedException e ) {}
    }

}  //Sleep