I am no Zen Master but I feel a master of Zen exists in us all.
You won't gain anything from this but you may see a loss of anxiety and PTSD symptoms.
- Find a quiet space.
- Sit comfortably with a straight back.
- Close your eyes or lower your gaze.
- Focus on your breath, inhaling and exhaling slowly.
- If your mind wanders, gently bring your focus back to your breath.
- Start with short sessions (5-10 minutes) and gradually increase the time.
I have heard from Shaman's lips that a few sessions of their brewed Ayahuasca tea under their guidance has cured many of their PTSD. Something you may want to consider looking into.
This is the basic method called Cognitive Behaviour Therapy (CBT) that hs been useful to me in overcoming PTSD, lacking only deliberate attention to the interaction between my body and the environment CBT adds. By this practice I have largely attained control of my emotions and composure.