Composition for treating sleep disorder and enhacning sleeping time containing polygonatum extract

The present invention relates to pharmaceutical compositions and promote sleep and / or sleep quality improved functional food composition for the treatment of, sleep disorders containing Polygonatum The compositions of the present invention using a plant-derived components in the ingestible as food, and safety is not toxic (toxicity) to the living body can be secured. As such, the compositions according to the present invention can be used as an active ingredient of pharmaceutical products and dietary supplements, it can be used in the pharmaceutical industry and the food industry.