《伤寒论·辨少阴病脉证并治》
少阴病，怕冷而蜷卧，时而自觉心胸烦热，想减去衣被的，这是阳气来复之兆，其病可治。
少阴病，恶寒而蜷，时自烦，欲去衣被者可治。
In a Shaoyin syndrome, when the patient still dreads cold and curls up while lying down, but occasionally has a sensation of heat in his or her chest and epigastrium, and wants to remove some of his or her clothes, this indicates that the yang energy is recovering and the illness can be cured.