YOU SAID:

i spent last night at Tom's house

INTO JAPANESE

私はトムの家で昨夜過ごした

BACK INTO ENGLISH

I stayed at Tom's house last night

INTO JAPANESE

私は昨夜のトムの家に泊まりました

BACK INTO ENGLISH

I stayed at Tom's house last night.

INTO JAPANESE

私は昨夜、トムの家に泊まりました。

BACK INTO ENGLISH

I stayed at Tom's house last night.