Valerian is best known for aiding sleep and calming anxiety. It has been used to treat nervous asthma and the symptoms of menopause, including hot flashes and anxiety. Some have used the herb to withdraw from using pharmaceutical sleeping pills. It can also be used to treat joint pain and upset stomach. The herb has been used for over 2000 years. The Chinese have also used the herb to heal injuries and treat menses as they define the herb as being able to also ease pain and stop bleeding.