How long do you leave his water bowl down? My vet advises if you have a dog who constantly needs to get up to go potty during the night (and have no UTI) you lift the water bowl at about 7pm. and make sure he goes out for his last potty right before you go to bed, last thing. Does he have any problem "holding it" during the day if you are out for several hours? Has he always done this since puppyhood? Was he crated then? I'm guessing he's not now. Would he tolerate being crated at night? Sounds like dear, little Fritzy may need to learn to hold it a bit longer, perhaps. Maybe he just wants attention?? My Lab Star gets me up too, but she wants to play! It would happen every night at 3am!!! My vet told me I HAD to ignore her, even if she whined or barked. I would always give in!!! No more! To start I would go into another bedroom, or put her downstairs and she would stop crying after several minutes. It took a few weeks, but now she knows that we don't get up to play at night!! I would suggest getting Fritz checked by the vet first to make sure he's not sick of course, and ask what his/her opinion is. I know that Star was waking me up because she wanted attention and I let her be in control!!! NO MORE...Well, most of the time! Let us know how it goes!! Love and hugs to the sweetie pie!