Read the following context and choose the best option to answer the question.
Context: He 's been waking up later and later these days , as if it 's getting more and more difficult , and that concerns me . I think the insomnia he 's been suffering is really starting to catch up with him . He has low blood pressure to begin with , and these issues with his sleep cycle are no help . " " Sanzo , low blood pressure ? "
Question: What may happen because of their low blood pressure ?
Options: 
- They might have to see a doctor to get a blood transfer ,
 - They might have to run around to get their energy .
 - They might have to eat some candy to get it back up .
 - They might faint or become dizzy if they exert themselves .


They might faint or become dizzy if they exert themselves .