Does your cat snore?

My cat snores! I tend to panic and I thought maybe he had asthma, or Cathma as my boyfriend says, but he doesn't struggle to breathe at all, it just seems to be whenever he gets very settled and content at night he begins to wheeze. It's not like a purr at all, totally different sound, and he only does it at night. I have come to the conclusion he just snores!