YOU SAID:
I would like to sleep for some 15 odd years.
INTO JAPANESE
私は約15年間眠りたいと思います。
BACK INTO ENGLISH
I would like to sleep for about 15 years.
INTO JAPANESE
私は約15年間眠りたいと思います。
BACK INTO ENGLISH
I would like to sleep for about 15 years.
That didn't even make that much sense in English.