YOU SAID:

My head feels heavy as I climb the stairs

INTO JAPANESE

階段を上ると、頭が重い

BACK INTO ENGLISH

My head feels heavy and up the stairs

INTO JAPANESE

私の頭が重いと階段を感じています。

BACK INTO ENGLISH

My head is heavy and feel up the stairs.

INTO JAPANESE

私の頭は重く、階段を感じる。

BACK INTO ENGLISH

My head is heavy and feel up the stairs.