Taixi point: located at the midpoint between the posterior edge of the medial malleolus and achilles tendon. Insomnia acupoint: located at the connecting line between medial malleolus and lateral malleolus, at the midpoint of sole. Yongquan point: it is located in the depression at the forefoot 1/3. (Probably in the middle of the heel, pressing hard will have a sensitive tingling sensation, which can help you relax and fall asleep as soon as possible. )