Aww poor baby. I'm sorry you're going through this with Patrick. I agree with you that he's probably in some pain, dogs usually won't show you that they are in pain, and Bullies have a high pain threshold. He's probably sleeping a lot because of a few issues like his age, he is 6 years old, so it is normal for them to sleep more, plus bullies tend to sleep more than other breeds anyway. He may have pain from his torn ACLs, and the extra weight is probably making that situation worse, since the extra weight would be causing extra stress to his joints. You could try a few different things to help him, such as reducing his food from 1 cup feedings to 3/4 of a cup feedings and top up his bowl with cooked vegetables like green beans, or broccoli so he will still feel full and satisfied but without the added calories. This may help him to lose some weight which will help his joints, pain and movement. Can you take him on a few smaller walks a day, maybe for no more than 10 minutes? The extra movement will also help him shed some weight, but will also help him from getting stiff from laying so much. Even sitting on the floor with him and playing with a ball will get him moving more. Do you give Patrick any supplements? You can give him a source of Omega Fatty Acids like Salmon oil or cod liver oil, or coconut Oil this are very beneficial to the joints, the hair and coat and also for the brain, I also give my guys plain unsweetened yogurt for the probiotics which aids in digestion and boosts the immune system, apple cider vinegar is also a great supplement with many health benefits. It is a natural anti inflammatory, and a natural anti bacterial and anti fungal, so it kills the bad bacteria in the body. 99% of all diseases including Arthritis is caused by inflammation in the body, and Allergies are caused by an abnormal response from the immune system, so by boosting the immune system, you can help him to fight allergies better and he will heal better from illnesses. I hope he feels better soon, and you can find some natural ways and supplements to help him. Please keep us Posted on how he's doing. Sending love, hugs and prayers your way.