Melatonin is produced and secreted at night by the pineal gland, which signals your body to sleep.
What is melatonin?
It is a hormone necessary for the regulation of the sleep-wake cycle, especially in the pineal gland, secreted by the pineal gland, an endocrine gland also called the cerebral epiphysis.
Its elaboration is influenced by the suprachiasmatic nucleus of the hypothalamus, which in turn processes information from the retina regarding patterns of darkness and light.
Therefore, we can conclude that melatonin is produced and secreted at night by the pineal gland, which signals your body to sleep.
Learn more about melatonin here: https://brainly.com/question/6580182
