A Children's Relaxation Story Children love to unwind and relax with this easy, gentle exercise known as muscular relaxation. This effective stress-management technique is widely accepted and used by both traditional and holistic communities. The technique focuses awareness on various muscle groups to create a complete resting of the mind and body. Muscular relaxation can have a positive impact on your childâ€™s health and immune system. It can lower stress and anxiety levels. It can be used to decrease pain and anger. This encouraging story quiets the mind and relaxes the body so your child can fall asleep peacefully.