YOU SAID:

today i am gonna sleep early

INTO JAPANESE

今日私は早く寝るつもりです

BACK INTO ENGLISH

I am going to bed early today.

INTO JAPANESE

今日は早く寝るつもりです。

BACK INTO ENGLISH

I am planning to go to bed early today.

INTO JAPANESE

私は今日早く寝るつもりです。

BACK INTO ENGLISH

I am going to go to bed early today.

INTO JAPANESE

今日は早く寝るつもりです。

BACK INTO ENGLISH

I am planning to go to bed early today.

INTO JAPANESE

私は今日早く寝るつもりです。

BACK INTO ENGLISH

I am going to go to bed early today.