YOU SAID:

How does one go about reasonably late at night?

INTO JAPANESE

適度に夜遅くまでどうやって行動するのでしょうか？

BACK INTO ENGLISH

How do you stay up reasonably late at night?

INTO JAPANESE

どうすれば適度に夜遅くまで起きていますか？

BACK INTO ENGLISH

How can I stay up reasonably late?

INTO JAPANESE

どうすれば適度に遅くまで起きていられますか？

BACK INTO ENGLISH

How can I stay up reasonably late?