Melatonin is best for those over 50 yrs of age and should be taken an hour before sleeping. I take it with magnesium and calcium.  I turn off lights and noises to go to sleep.

Connie

Melatonin, also known as N-acetyl-5-methoxy tryptamine,[1] 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.

In animals, melatonin is involved in the entrainment (synchronization) of the circadian rhythms including sleep-wake timing, blood pressure regulation, seasonal reproduction, and many others.[4] Many of its biological effects in animals are produced through activation of melatonin receptors,[5] while others are due to its role as an antioxidant,[6] with a particular role in the protection of nuclear and mitochondrial DNA.

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Melatonin Influences Sleep and Circadian Rhythm

Melatonin is a Potent Antioxidant

• Melatonin Protects the Mitochondria and Inhibits Programmed Cell Death
  Melatonin Protects Against Mitochondria Toxins
  Melatonin Reduces Inflammation and Promotes Healthy Immune Function

Melatonin and…