YOU SAID:
One eye open when I'm sleeping, one eyeeeee
INTO JAPANESE
私が寝ているときに片方の目を開いて、片方の目を
BACK INTO ENGLISH
Open one eye when I'm sleeping, one eye
INTO JAPANESE
寝ているときに片目を開けて片目を
BACK INTO ENGLISH
Open one eye while sleeping
INTO JAPANESE
寝ている間に片目を開く
BACK INTO ENGLISH
Open one eye while sleeping
That didn't even make that much sense in English.