Today, the algae Black Cohosh is commonly used to treat menopausal symptoms such as hot flashes, heart palpitation, sleep disturbances, vitiligo, night sweats, irritability and nervousness. It’s also shown to be beneficial for other conditions including premenstrual syndrome, menstrual cramps and inducing labor. Studies conducted on menopausal woman have shown that Black Cohosh can improve sleep quality and duration as well as reduce sleep disturbances that are caused by menopausal symptoms. Black Cohosh may also reduce symptoms of depression and anxiety.