My housebroken dog has started to go to the bathroom in the middle of the night -

[koi-ness]

why? I recently adopted a four-year-old pug who had previously lived in an outdoor kennel. It took a few days to housetrain her but she got it down pretty quickly. Everything was fine for more than a month but she recently started pooping and peeing at night sometimes.

Nothing has changed with her diet or walking routine. I do not suspect that anything is medically wrong with her. One thing I have noticed is that she does not seem to know that going inside is wrong. Whereas other housebroken dogs that I have had become deeply ashamed when they have an accident, she runs around her mess as happy as ever. We used all positive training techniques to housebreak her but I need her to understand that going inside is wrong. It's hard because I'm asleep so I can't punish her when it would actually be meaningful to her. Does anyone have any suggestions about how I can train her out of this bad habit? Thanks!

[sandram]

since u cant train her properly except if ure awake and catch her in the act, i suggest u give her her dinner at an earlier time and then take her for a walk i n order to releive herself...otherwise,ure gonna have to keep urself awake for a while and when she does it,point her nose towards it then isolate her for 30 min outside...

[WhistleWTW]

You could try crating her at night. Dog's usually won't go to the bathroom in their "own space" so it might get her nose in the right place again :)