Leave the session with an immediate sense of euphoria and transformation!
Be in a comfortable place where you won’t be disturbed. Have headphones, and a blanket/pillow if you want. You’ll want to be in a chair you can recline or laying on your back. Don't eat a heavy meal right before.
Main contraindication: pregnancy
Additional contraindications: uncontrolled high/low blood pressure, cardiac issues, aneurysms, seizures/epilepsy, glaucoma, recent major surgery, on heavy duty medications, psychosis/schitzophrenia, asthma. These, you may participate, just don't go as heavy.