YOU SAID:

as with that alone would cause him to lose many hours upon of sleep at night.

INTO JAPANESE

それだけで、彼は夜の睡眠で多くの時間を失うことになります。

BACK INTO ENGLISH

That alone, he will lose a lot of time in the night sleep.

INTO JAPANESE

それだけで、彼は夜の睡眠で多くの時間を失います。

BACK INTO ENGLISH

That alone, he loses much time in night sleep.

INTO JAPANESE

それだけで、彼は夜の睡眠で多くの時間を失います。

BACK INTO ENGLISH

That alone, he loses much time in night sleep.