Turkish Airlines has built an impressive business lounge at its hub is Istanbul, with the best sleeping rooms I’ve seen anywhere in the world, including in First Class lounges. The best, that is, until you try to sleep — unless you don’t mind loud noise that even Bose headphones on top of earplugs can’t block out.

As I’ve written before, Turkish has made significant progress in recent years toward becoming a world-class carrier, but it’s still a long way from being anywhere close to the top. It rushes to do something it deems top-notch but doesn’t really think it through — and for high-end customers, a little glitz doesn’t sparkle brightly enough if the entire experience is inconsistent and unpredictable…