3rd eye what???
Medically, the pineal gland produces the hormone melatonin; Melatonin is used to fall asleep.
Pineal gland is located in the middle of the brain
Its significance appears in every ancient culture throughout the world
Recent discovery:
Pineal gland produce naturally DMT, a psychedelic drug
Psychedelic researcher David E. Nichols is pushing back against the belief that the pineal gland in the brain produces mystical experiences because it creates a powerful psychoactive substance called N,N-dimethyltryptamine (DMT).