YOU SAID:
I go to bed at 11 and get up at 8
INTO JAPANESE
11時に寝て8時に起きます
BACK INTO ENGLISH
I go to bed at 11 and wake up at 8
INTO JAPANESE
私は11時に寝て、8時に起きます
BACK INTO ENGLISH
I go to bed at 11 and wake up at 8
That didn't even make that much sense in English.