It may not be that he is lonely. My chin barks in her sleep sometimes, i think she has bad dreams =[ Just remember not all chins get along so, if you do decide to get a new one make sure you have a spare cage. I have four chinchillas, in one cage there is Tinker an Tainga in the other is Talia and Tiquita. Tinker gets along with Talia but HATES Tiquita and Tainga gets along with Tiquita but HATES Talia. Its kinda funny. As for the snuggle buddies, deffinatly got one chinchillas are adorable when they snuggle up with anything. Even though Tiquita has Talia to snuggle with, she still snuggles with her bear, Talia just joins in (so cute =])