Roxy is 8 mts now and I take her out around 8 or 9 at nite.......she will bark a lil sometimes around 2 or 3 am. If I tell her quiet, she will usually quiet down until 4am.......but that's when I'm usually up anyway. Then she's out 4 or 5 times and back to bed when I go to work at 6am with my daughter and sleeps in until 10 or so........I would love her to sleep until 6 am on weekends but must be she can tell time and not days???? lol....