YOU SAID:

i had a sleepover yesterday and now im depressed and sad because i slept at midnight yesterday

INTO JAPANESE

昨日はお泊りをしましたが、昨日は真夜中に寝たので今は落ち込んで悲しいです

BACK INTO ENGLISH

I had a sleepover last night, but I slept in the middle of the night yesterday, so now I'm depressed and sad.

INTO JAPANESE

昨日はお泊りだったのに、昨日は夜中に寝てしまったので、今は憂鬱で悲しいです。

BACK INTO ENGLISH

I had a sleepover yesterday, but I fell asleep in the middle of the night yesterday, so now I'm depressed and sad.

INTO JAPANESE

昨日はお泊りだったのですが、昨日は夜中に寝てしまったので、今は落ち込んで悲しいです。

BACK INTO ENGLISH

I had a sleepover yesterday, but I fell asleep in the middle of the night yesterday, so now I'm depressed and sad.