YOU SAID:

I woke up with no pants.

INTO JAPANESE

ズボン覚めた。

BACK INTO ENGLISH

I woke up pants.

INTO JAPANESE

私はパンツに目が覚めた。

BACK INTO ENGLISH

I woke up in the pants.

INTO JAPANESE

パンツに目が覚めた。

BACK INTO ENGLISH

Woke up in the pants.

INTO JAPANESE

パンツに目が覚めた。

BACK INTO ENGLISH

Woke up in the pants.