Blackout
A blackout is when vision and consciousness are temporarily lost due to a decrease in oxygen supply to the brain. It is essentially fainting. A blackout can also refer to a period of lost time and amnesia. Caused by alcohol, drugs, or anxiety disorders a blackout sufferer can't remember what occurred even though they were awake and conscious.
People think they can destress and regulate their emotions by using only their minds.
The Vagus Nerve Miracle