How to Use "hyperventilate" with Example Sentences

1. People often hold their breath , or take in too much oxygen and hyperventilate .
2. The mountain climber started to hyperventilate .
3. What are you doing ? I started to hyperventilate .
4. When they brought me back to consciousness after the surgery , I started to sob and hyperventilate .
5. " We hyperventilate about a lot of things at 4sight , but not about china , " he says .