GMAT
Foods high in tryptophan, an amino acid that is a precursor to serotonin, can help people to fall asleep by means of reducing anxiety, relaxing the brain, and regulating the sleep cycle.
Foods high in tryptophan, an amino acid that is a precursor to serotonin, can help people to fall asleep by reducing anxiety, relaxing the brain, and regulating the sleep cycle.
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