References
Listed below is all the known content in the system that links to this item.
Melatonin
Biopsychology
Neurotransmission and Neurochemistry
Definition Melatonin is a hormone produced by the pineal gland in the brain. It plays a key role ...
Circadian Rhythm
Consciousness, Sleep and Dreams
Definition A circadian rhythm is an internal biological clock that regulates the sleep-wake cycle...