The leaves of passion flower have been shown to make a nonaddictive sedative that relaxes the nervous system. Passion flower seems especially helpful when physical or mental strain results in insomnia or stress.
Skullcap calms and strengthens the nerves, relaxes spasms, relieves pain, and promotes rest. It can help rebuild nerve sheaths. One of its constituents, scutellarin, is transformed in the body into scutellarein, which helps stimulate the brain to produce more endorphins.