YOU SAID:
i dunno man am going to bed
INTO JAPANESE
私は男が寝ようとしていることを知りません
BACK INTO ENGLISH
i don't know man going to sleep
INTO JAPANESE
私は知らない男が寝る
BACK INTO ENGLISH
a man i don't know sleeps
INTO JAPANESE
知らない男が眠る
BACK INTO ENGLISH
a stranger sleeps
INTO JAPANESE
見知らぬ人が眠る
it is unlikely that this phrase will ever reach equilibrium