<P> Melatonin , also known as N - acetyl - 5 - methoxy tryptamine , is a hormone that is produced by the pineal gland in animals and regulates sleep and wakefulness . Melatonin is also produced in plants where it functions as a first line of defense against oxidative stress . </P>
<P> Melatonin , also known as N - acetyl - 5 - methoxy tryptamine , is a hormone that is produced by the pineal gland in animals and regulates sleep and wakefulness . Melatonin is also produced in plants where it functions as a first line of defense against oxidative stress . </P>
the part of the brain that regulates the production of the hormone melatonin is called
the part of the brain that regulates the production of the hormone melatonin is called
the pineal gland
the pineal gland