Valeriana officinalis is well known in popular medicine for its sedative and antidepressant virtues. You can easily see it growing this season on the banks of streams and in damp meadows. Valerian root aqueous extract significantly improves sleep quality, anxiety and even depressive disorders. These properties have been demonstrated in several clinical studies which have also highlighted the absence of morning drowsiness typical of some classes of drugs used in the treatment of insomnia.