Valerian is most commonly used for sleep disorders, especially the inability to sleep (insomnia).
Valerian is also used for conditions connected to anxiety and psychological stress including nervous asthma, hysterical states, excitability, fear of illness (hypochondria), headaches, migraine, and stomach upset.
It can be used for depression, mild tremors, epilepsy, attention deficit-hyperactivity disorder (ADHD), and chronic fatigue syndrome (CFS).
Valerian is used for muscle and joint pain. Some women use valerian for menstrual cramps and symptoms associated with menopause, including hot flashes and anxiety.