YOU SAID:

I'm so tired and bored but I can't sleep

INTO JAPANESE

私はとても疲れていて退屈しているけど眠れない

BACK INTO ENGLISH

I am very tired and bored but I can not sleep

INTO JAPANESE

私はとても疲れていて退屈していますが眠れません

BACK INTO ENGLISH

I am very tired and bored but I can not sleep