To find out whether the two experiences overlapped—and, if so, whether DMT could be the brain’s own way of ferrying us into the great beyond. “There is good indirect evidence to suggest that DMT is released in greater quantities at the point of death in the human brain. Scientists have inferred that the same occurs in the human brain. Since then, some scientists have ramped up the conversation by finding that DMT may be released in large quantities at death. It states the human pineal gland—a tiny, pea-shaped structure in the brain that produces melatonin, the sleep-regulating hormone—produces DMT in large amounts before death.