GMAT
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.
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.
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