| abstract |
The present invention relates to a composition for preventing, improving or treating sleep disorder or insomnia, containing an extract of Angelica dahurica as an active ingredient. The copper bamboo extract of the present invention is very effective in reducing the sleeping time, increasing the sleep duration, and increasing the non-REM sleep. In addition, since it is derived from copper rod, which is a natural product, there are no side effects such as cognitive impairment, tolerance or dependence even after long-term use. Therefore, the composition for preventing, improving, or treating sleep disorders comprising the copper leaf extract as an active ingredient of the present invention is very useful for preparing competitive food compositions and pharmaceutical compositions. |