Red bean and barley soup is not suitable for drinking at night as it will affect sleep. Because barley, called "coix kernel" in traditional Chinese medicine, is listed as top grade in "Shen Nong's Materia Medica", it can cure dampness, benefit the intestines and stomach, eliminate edema, strengthen the spleen and stomach, and lighten the body and replenish qi after long-term use. Red beans, called "red beans" in Chinese medicine, also have obvious effects of diuresis, reducing swelling, and strengthening the spleen and stomach.

It can be seen that both red beans and barley have diuretic and swelling effects. Drinking it at night will increase the number of trips to the toilet and affect sleep. Therefore, it is recommended to drink barley and red bean soup around ten o'clock in the morning. Well, if you are pressed for time in the morning, drinking it at noon is also a good idea.