Ask For A Break
You can ask for a break in the viva.
You can let your examiners know that you need one for a medical or health-related reason.
You can ask for one because your viva is becoming long.
You can ask for one if you’re on campus or over video.
You can ask for one if you’ve had one already.
You can ask for one before the end of the first hour.
If you need one, at any time, ask for a break in your viva.