YOU SAID:
i need sleep i have not slept for long time
INTO JAPANESE
私は寝る必要がある私は長い間寝ていない
BACK INTO ENGLISH
I need to sleep I have not slept for a long time
INTO JAPANESE
私は寝る必要がある私は長い間寝ていない
BACK INTO ENGLISH
I need to sleep I have not slept for a long time
That didn't even make that much sense in English.