Nope. I haven't really noticed a difference in sleep quality. I had an issue with my 10, which is why it was replaced. In fact, I think the 11 is slightly lo

Nope. I haven't really noticed a difference in sleep quality. I had an issue with my 10, which is why it was replaced. In fact, I think the 11 is slightly louder. The filter on the back is smaller and harder to get to. I like the 10 a little better.