YOU SAID:

Where is my son? It's past his bedtime.

INTO JAPANESE

私の息子はどこですか？就寝時を過ぎています。

BACK INTO ENGLISH

Where is my son? The time of going to bed is over.

INTO JAPANESE

私の息子はどこですか？寝る時間はもう終わった。

BACK INTO ENGLISH

Where is my son? I have already finished sleeping.

INTO JAPANESE

私の息子はどこですか？もう寝終わった。

BACK INTO ENGLISH

Where is my son? I have already overslept.

INTO JAPANESE

私の息子はどこですか？私はもう寝過ぎてしまいました。

BACK INTO ENGLISH

Where is my son? I have already gone to bed.

INTO JAPANESE

私の息子はどこですか？私はもう寝ました。

BACK INTO ENGLISH

Where is my son? I have already gone to bed.