Pineal Gland

Pineal Gland The pineal gland, also known as the pineal body, conarium or epiphysis cerebri, is a small endocrine gland in the vertebrate brain. It produces the serotonin derivative melatonin, a hormone that affects the modulation of sleep patterns in the circadian rhythms and seasonal functions.[1][2] Its shape resembles a tiny pine cone (hence its name), and it is located in the epithalamus, near the centre of the brain, between the two hemispheres, tucked in a groove where the two halves of the thalamus join. Nearly all vertebrate species possess a pineal gland.
Meditate

Kundalini Energy Transfer - Pineal Gland Activation
936Hz (Single Tone) - Solfeggio Harmonics Frequency - PINEAL GLAND ACTIVATION
Pineal Gland Activation - Meditation - Violet Flame Pulses