Your posts are being moderated bc u're a newbie @ posting, it will stop.
Not to alarm you, but excessive thirst can be a sign of diabetes. If he's peeing in his sleep, I think he should be seen by a vet. Hoping it's just him being a puppy & it's nothing serious.
Increased Urination and Thirst in Dogs | petMD
Himalayan chews last a long time & mine love it.