2.2.4. Intervention program and implementation of Health Qigong
sleep disorders, Yin deficiency
YIN DEFICIENCY
From the perspective of traditional Chinese medicine, the normal sleep-wake pattern is determined by the balance of Yin and Yang. Yin deficiency and Yang excess are the primary causes of sleep disorders. Moreover, the kidney is the source of Yin and is connected directly or indirectly to all body functions. To put it another way, sleep disorders stem from a deficiency of kidney Yin (