5 year old Hedgie

Hey everyone! I've been a long time lurker on this subreddit since I've had a hedgie. He is currently 5 and 1/2 and I've noticed he is starting to slow down more. He is resting a lot more and not using his wheel as much.

To preface this, he has always been a very active hedgehog and thats why I'm a bit concerned. He is still eating, drinking and pooping normally. No signs of discomfort or pain. I just wanted to check in and know if this is normal behavior or if I should take him for his check up?

I typically do annual wellness exams in March but if this is cause for concern of course I will do it sooner. I just want to ensure he is comfortable and is still a happy hog. Any advice is welcomed and appreciated!