YOU SAID:

I'm getting sleepy so I will head off to bed

INTO JAPANESE

私はベッドにオフに頭が眠くなってきちゃった

BACK INTO ENGLISH

I was on the bed off my head is getting sleepy

INTO JAPANESE

私は、私の頭をベッドに眠くなって

BACK INTO ENGLISH

I was in my head to bed sleepy

INTO JAPANESE

寝る眠い頭にいました

BACK INTO ENGLISH

Sleepy head to bed.

INTO JAPANESE

寝る眠い頭。

BACK INTO ENGLISH

Sleepy head to bed.