YOU SAID:

They both have the night off.

INTO JAPANESE

彼らは二人とも夜を休みます。

BACK INTO ENGLISH

They both rest at night.

INTO JAPANESE

二人とも夜休む。

BACK INTO ENGLISH

Both of them rest at night.

INTO JAPANESE

二人とも夜休む。

BACK INTO ENGLISH

Both of them rest at night.