I took my one hour test and failed but...

J

I ended up falling asleep when l got home from work and didnt wake til 10 pm. I ended up just going back to sleep. So when l got up the next morning to go to my appointment, l had fasted a total of 20 hours! I heard that amount of fasting can screw up the results. Now l have to take the 3 hour test and l am bitter to lose half a Saturday! 😡 Does anyone know if fasting too much can screw up results?