anesthesia
"Used in conjunction with having a spinal tap during artery disease surgery nursing staff referred to my experience upon awaking in recovery as "NITE TERRORS" I had horrific hallucinations of violently spinning photo graphs that made me scream, cry huge tears, yell obscenities, repeatedly say I wanted to kill myself, or die, and yelling I would be afraid to go to sleep again.  Nurses had to take my face and tell me over and over it would be over soon.  Had I not had a spinal and couldn't move I fear I would have deliberately hurt myself."