YOU SAID:
many blankets lay on me while I sleep
INTO JAPANESE
私が寝ている間、たくさんの毛布が私の上に横たわっていました
BACK INTO ENGLISH
Lots of blankets lay on me while I was sleeping
INTO JAPANESE
私が寝ている間、たくさんの毛布が私の上に横たわっていました
BACK INTO ENGLISH
Lots of blankets lay on me while I was sleeping
That didn't even make that much sense in English.