YOU SAID:

when i was asleep i did not catch a cold because it was warm enough

INTO JAPANESE

私は眠っていたとき、それは十分に暖かかったので、私は風邪をキャッチしていません

BACK INTO ENGLISH

When I was sleeping, because it was sufficiently warm, I do not catch a cold

INTO JAPANESE

私は眠っていたとき、それは十分に暖かかったので、私は風邪をひかないでください

BACK INTO ENGLISH

When I was sleeping, because it was sufficiently warm, I Please do not catch a cold

INTO JAPANESE

私は眠っていたとき、それは十分に暖かかったので、私は風邪をひかないようにしてください

BACK INTO ENGLISH

When I was sleeping, because it was sufficiently warm, I Please do not catch a cold