Normally this isn't an issue since dogs do their business while going on walks. Recently however, my dog seem to need to do her business more often than I take her on walks.
My normal schedule is to take her on a walk first thing in the morning before I head to work around 6:30-7am. Then I feed her and leave for work. Then I walk her again when I get home from work around 5:30pm and then feed her afterward again.
Recently my dog has been whining and waking me up around midnight to take her out. The closest grassy area that she normally does her business is about 2 blocks away and its quite bothersome to get waken up in the middle of the night to walk two blocks away and back.
Have there been cases in the past where people have trained dogs to use a litterbox like cats? Is there any sort of detrimental effects from encouraging such behavior?