I have sleep problems, and I'm highly sensitive to noise. I visit NYC at least once a year to visit friends and family. This is the best sleep I've ever had at an AirBnB in NYC! Super quiet, a very comfortable bed, and good AC. I'll never stay anywhere else in NYC ever again. For a finicky sleeper like me, it makes walking up all those stairs totally worth it.
In addition, Val and Yuko are lovely hosts who've creatively maximized that space and are very thoughtful. Yuko even gave me a small gift when I left!