Entire plants are placed under the bed of children to hasten a restful sleep., The California poppy has cultural significance for many indigenous people of the western United States including the Luiseno, Cahuilla, Costanoan, and Pomo tribes., The flowers, high in carotenoids and somewhat sweet, are chewed as a gum or candy, while the rich pollen of the flowers serve as eye shadow or body paint for special occasions., The roots, which generally contain higher levels of alkaloids, are used as sedatives and pain relievers., While some tribes consider the plant poisonous, many routinely use specific parts of the plant as both a food source and drug.