YOU SAID:

as all that alone would cause him to lose sleep at night.

INTO JAPANESE

それだけで、彼は夜に眠りを失うことになります。

BACK INTO ENGLISH

That alone, he will lose sleep at night.

INTO JAPANESE

それだけで、彼は夜眠れなくなります。

BACK INTO ENGLISH

That alone makes him sleepless at night.

INTO JAPANESE

それだけで、彼は夜眠れなくなります。

BACK INTO ENGLISH

That alone makes him sleepless at night.