Acupressure Relief MatA Portable "Bed of Nails"Granted these mats at first can seem a little shocking, but the benefits associated with them help aid you both physically and mentally. When laid upon these mats can help increase the rate in which you can find relaxation to further improve your sleep and your energy levels once woken up. Perfect as a pre sleep routine, you can lay on these mats for however long you feel is appropriate to you everyone is different but on