YOU SAID:

I consume trees while I am sleeping

INTO JAPANESE

私は寝ている間に木を消費します

BACK INTO ENGLISH

I consume trees while I am asleep

INTO JAPANESE

眠っている間に木を消費する

BACK INTO ENGLISH

Consume trees while sleeping

INTO JAPANESE

寝ながら木を消費する

BACK INTO ENGLISH

Consume trees while sleeping