Tryptophan can promote the secretion of a sedative that induces sleep by brain nerve cells.Blood.Serotonin, also known as 5-hydroxytryptamine.Millet has abundant tryptophan content.Lotus seeds can nourish the heart and kidneys to calm the spirit and connect the heart and kidney.Cook millet and lotus seeds together intorice porridge.This rice porridge is effective for treating insomnia.Porridge,is effective for treating insomnia.