YOU SAID:
I'm so tired. I could sleep for 12 hours.
INTO JAPANESE
疲れたわ1 2時間も眠れなかった
BACK INTO ENGLISH
I'm tired. I haven't slept in 12 hours.
INTO JAPANESE
疲れた12時間寝てない
BACK INTO ENGLISH
I'm tired. I haven't slept in 12 hours.
That's deep, man.