Melatonin is to sleep, what cortisol is to insomnia
Sunlight, especially in the morning, can help to regulate the production of two important hormones: cortisol and melatonin
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Melatonin
P.M. – your natural sleep aid
Tryptophan, an essential dietary amino acid, is used to produce serotonin, a neurotransmitter that helps to regulate sleep, and melatonin, the sleep hormone