YOU SAID:

I went to bed last night and I had a good sleep, I also drank some milk

INTO JAPANESE

昨夜寝て、ぐっすり眠りました。ミルクも飲みました。

BACK INTO ENGLISH

I slept last night and slept soundly. I also drank milk.

INTO JAPANESE

私は昨夜寝て、ぐっすり寝ました。ミルクも飲みました。

BACK INTO ENGLISH

I slept last night and slept soundly. I also drank milk.