Poppy is a flowering plant in the subfamily Papaveroideae of the family Papaveraceae. Poppies are herbaceous plants, often grown for their colorful flowers. One species of poppy, Papaver somniferum, is the source of the crude drug opium which contains powerful medicinal alkaloids such as morphine and has been used since ancient times as an analgesic and narcotic medicinal and recreational drugs. It also produces edible seeds. Following the trench warfare which took place in the poppy fields of Flanders during World War I, poppies have become a symbol of remembrance of soldiers who have died during wartime.

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Poppies have long been used as a symbol of sleep, peace, and death: Sleep because the opium extracted from them is a sedative, and death because of the common blood-red color of the red poppy in particular. In Greek and Roman myths, poppies were used as offerings to the dead Poppies used as emblems on tombstones symbolize eternal sleep. This symbolism was evoked in the children's novel The Wonderful Wizard of Oz, in which a magical poppy field threatened to make the protagonists sleep forever
Ancient Egyptian doctors would have their patients eat seeds from a poppy to relieve pain.  this  is  a very true 
Poppy seeds contain small quantities of both morphine and codeine,which are pain-relieving drugs that are still used today all over the  world . Poppy seeds and fixed oils can also be nonnarcotic because when they are harvested about twenty days after the flower has opened, the morphine is no longer present
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