YOU SAID:

I am very sleepy even though I slept a lot

INTO JAPANESE

たくさん寝たのにとても眠い

BACK INTO ENGLISH

I slept a lot but I'm very sleepy

INTO JAPANESE

よく寝ましたがとても眠いです

BACK INTO ENGLISH

I slept well but I'm very sleepy

INTO JAPANESE

よく眠れましたがとても眠いです

BACK INTO ENGLISH

I slept well but I'm very sleepy