forget about herbs, you are just going to gain a tolerance....
magnesium in high dosages, amino acid chelated magnesium is really effective.
5-htp, theanine, b vitamins, calcium
etc,,,, its vitamin, mineral, amin0-acid and exercise,,, rather than "magic herb" or prescription or heaven forbid street drugs.... please avoid using herbs, prescriptions, or street drugs.
take caffeine out of your diet until you feel better as well as an elimination of crappy food, fast food and get on an aerobic exercise routine such as biking or rowing.