Examples are meditation, mindfulness, music therapy, pet therapy, massage, accupuncture, etc. You can download
apps, to electronic devices for free
to teach you how to do some of these things and practice them at home for 15 - 30 minutes a day...and the more you practice the easier it is and the better outcome. If you find that you cannot do it on your own, you may need professional help to help you relax, but try it on your own first. Let us know how you do.