Acupressure points are used to relieve stress and anxiety, muscle tension and insomnia. The use of firm finger pressure on these points is also known to be beneficial for headaches, sinus problems, back pain and digestive problems. A single acupressure point for stress may be used, or several may be employed as a regular 

A list of all points and helpful tips.

http://onlineartdirector.com/pointfinder/acupoints.html