It's amazing you are able to sleep with all this music playing.
I can't believe you're sleeping with all this commotion around us.
ーIt's amazing you are able to sleep with all this music playing.
「これだけ音楽がかかっていて寝れるなんてすごいね」
to be able to sleep で「寝ることができる」
with all this ...「こんなに…で・これだけ…で」
ーI can't believe you're sleeping with all this commotion around us.
「これだけ周りがうるさくて寝てるなんて信じられない」
commotion で「騒動・騒音」
ご参考まで!
How can you sleep in all this noise?
I can't believe you can sleep through all this noise.
You sleep so well even with all this noise.
「え、すごい」「信じられない!」
のような軽いつぶやき・驚きのニュアンスですよね。
その場合、英語では
how can you ... ? や
I can't believe ...
を使うと自然に言えます。