It's a beautiful apartment! Nice place, next to the metrostation Martim Moniz.
I stayed in the single room. The wall between this room and the kitchen is very thin so when people are talking in the kitchen, you can hear everything. If you're planning to wake up early than it shouldn't be a big problem.
The whole apartment is quiet noisy so bring earplugs with you :).
I sent some tips to Moises about my room: I missed a big mirror and more hooks for towels and cloths.
Moises is a friendly host, good communication and always willing to help you. Thanks!