Based on the context and the answer, generate a question. 

Context: I can thoroughly recommend it if you 're ever staying in Cardiff . It 's also right across from the Millennium Stadium , if you like your rugby . After a nap , I went out to hunt for food . The city centre was mental as Madonna was having the opening concert her tour at the Millennium Stadium that night , so all the streets were full of drunken , dressed - up Madonna fans and ticket touts . Next day I had the whole day to explore Cardiff .

Answer:

I was awakened by loud noises from the Millenium stadium across the street .



What may happen during my nap ?