Professor WANG Qi believes that the pathogenesis of insomnia is the imbalance of yin and yang

disharmony between nutrient qi and defensive qi. Self-prepared Jiaohe Anhun Decoction（交合安魂汤） is made to blend yin and yang and to reconcile nutrient qi and defensive qi. Seven common syndrome types of insomnia including phlegm-heat obstruction

blood stasis obstruction

yin and blood deficiency

restless of heart and gallbladder

liver stagnation and blood deficiency

liver-stomach disharmony

heart-kidney incompatibility are summarized

and prescriptions are selected based on the syndrome types. The most common physiques for insomnia are qi stagnation and blood stasis. It is proposed that the clinical syndrome is centered on the constitution

combined with body

disease and syndrome differentiation

and flexible treatment. Meanwhile the author emphasizes that the medication time is from 16:00 to 17:00 and 21:00.