It's every few days and usually while I'm eating my tea. DS and I were having sausages the other night and it put me right off 
Also every week or two we hear howling - I mean real go for it sobbing like the end-of-the-world-is nigh-type bawling. Do feel sorry for whatever is the cause, but still wish the volume could be lowered.
Should I try to broach the subject with my neighbour? Can't imagine what I'd say though.