YOU SAID:

I heard many noises in the bedroom last night

INTO JAPANESE

昨夜寝室でたくさんの音が聞こえた

BACK INTO ENGLISH

I heard a lot of noise in my bedroom last night

INTO JAPANESE

昨夜、寝室でたくさんの音が聞こえました

BACK INTO ENGLISH

I heard a lot of noise in my bedroom last night