Insomnia is a common disease. Most TCM physicians treat it based on Yang excess and Yin deficiency. However

in clinic

Yang deficiency insomnia patients are not uncommon. By analyzing the relation between Yang-qi and insomnia

the authors put forward that the main pathogenesis leading to Yang deficiency insomnia is Yang deficiency of heart

spleen and kidney. Thus the treatment is starting with warmly invigorating heart

spleen and kidney Yang

or assisting suppressing hyperactive Yang with heavy prescription

or adding herbs of benefiting Qi

tranquillization

dissipating phlegm and regulating Qi. It might provide reference for treating Yang deficiency insomnia.