YOU SAID:
JOHN IS NOT GOING TO SLEEP EVER
INTO JAPANESE
ジョンはずっと眠りにつかない
BACK INTO ENGLISH
John can not fall asleep all the time
INTO JAPANESE
ジョンはいつも眠れない
BACK INTO ENGLISH
John can not always sleep
INTO JAPANESE
ジョンはいつも眠れない
BACK INTO ENGLISH
John can not always sleep
That didn't even make that much sense in English.