Heart 7 also known as Spirit Gate.
I often use this point in clinic for sleep issues and anxiety due to overthinking.
Known to acupuncturists to calm the mind and spirit, easing anxiety, agitation, depression and sadness. It's calming action has a direct effect on the heart, therefore a prescriptive point in treating conditions such as palpitations and arrhythmia.
Locate this point at the inner wrist crease, in line with the little finger, on the radial side of the pisiform bone where you can feel for a hollow.
Apply pressure in circular movements for two to three minutes. Start with the left side first, then the right. Take slow deep breaths as you focus on your heart.