Valerian root extract has also been shown to relieve pain. This, combined with the sedative effect, makes it effective in relieving headaches (especially stress headaches,) migraines, arthritis and muscle pain.
Valerian root is mainly used as an herbal sleep aid. The plant has been shown to provide both improved sleep quality and longer sleep, without giving the “hangover” feeling in the morning like so many synthetic medications used to treat insomnia. In the 1980s, Swiss researchers studied the effects of valerian root on sleep patterns, and found that the herb reduced the time it took to fall asleep, especially in elderly patients and those with sleep disorders. Some clinical trials have suggested it should be used for two to four weeks before the daily mood and sleep patterns are improved. The herb is, therefore, perhaps not particularly well-suited for acute insomnia. It’s also worth noting that valerian can act as a diuretic, so that preparations of the herb might not work well as a sleeping aid for people who have tendency to get up and urinate at night. Valerian root is, however, one of the mildest and most harmless herbal sleep aids there is.
Valerian has been used for chronic digestive disorders, stomach cramps, colic, diarrhea and bloating (especially when it is caused by emotional or physical stress or coffee, alcohol and nicotine abuse). An Italian scientific study indicates that it could be used to reduce the spasms of the intestinal muscles caused by Crohn’s disease and ulcerative colitis.
It is possible to increase the effects of valerian extract by combining it with other herbs. As an herbal sleep aid it can be used with hops (Humulus lupulus) and lemon balm (Melissa officinalis). Other calming herbs that can be used with it are common skullcap (Scutellaria galericulata), blue skullcap (Scutellaria lateriflora) and passionflower (Passiflora incarnata).
If insomnia and anxiety are associated with depression, the plant can be combined with St. John’s wort (Hypericum perforatum). If nervous palpitations and high blood pressure related to stress cause insomnia, then valerian and hawthorn (Crataegus monogyna) are a good combination.
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