I need to do my blood glucose test. But how the hell am I suppose to not eat for 12 hours. I get so sick. I can't sleep or function if I'm hungry. I ate plenty to fill me up last night and 6 hours later I wake up in my sleep starving. I'm so frustrated because I already know I have gd I had it with my first. Does anyone have any tips to get through their fasting? the further I get along the more unbearable it becomes. Any tips??