1. Yes, they may.
2. Not necessarily.
Next Steps
1. Going to bed with a calmer mind by following some sleep hygiene routine including relaxation exercises may help in bringing down anxiety and panic attacks during sleep.
2. By being able to identify the likely triggers for your anxiety, you may be able to have more control over managing your anxiety and preventing them from resulting in full blown panic attacks.
Health Tips
Consult a psychotherapist.