ValerianValerian is a perennial plant native to Europe and Asia and now cultivated in North America. It has been used as a medicinal herb since ancient times, and has long been recognized as an aid to sleep. You can get it at health food stores, although like melatonin, it is not regulated and you never really know the strength in the bottles you get in the store. The valerian in dietary supplements comes from roots and stems. Sometimes people take the valerian as a tea-like beverage, and dried plant materials and extracts are put into capsules or incorporated into tablets. Valerian appears to work for some people, althouth it is not a miracle compound for relief of insomnia. The results of some studies suggest that valerian may be useful for insomnia and other sleep disorders, results of other studies do not show any significant effect. The National Institutes of Health concluded that "the evidence from these trials for the sleep-promoting effects of valerian is inconclusive." A recent test in rats found that valerian shortened the sleep latency period, but it apparently had no effect on REM/non-REM sleep splits and delta activity. The Japanese researchers concluded that valerian might help people get to sleep without altering the sleep cycle. In tests with Parkinson's disease patients, valerian use resulted in a mild decrease in sleep latency and an increase in total sleep time. Many chemical constituents of valerian have been identified, but scientist still don't know which compounds make people fall asleep. It is likely that there is no single active compound and that valerian's effects result from multiple constituents acting independently or together. Other alternative treatments for insomnia.
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"Sleep hath seized me wholly" (William Shakespeare – Cymebline)
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