Insomnia and sleep and dreams in the poems of Saadi and Petrarca

The phenomenon of insomnia is one of the poetic themes that has a high frequency in Saadi's poetry as a poetic character and style. Insomnia in love is a theme that in both Western and Eastern literature and specifically in the Persian literature has always been used as a very important subject. So many beautiful poems that express poet’s night's suffering and sadness in the memories of his beloved. The poets in this research have written a long time about the sleepless nights, the long night of love. As a fact, Insomnia and dreams are also mysterious and surprising elements that are often found in the poet's love poems, usually as an internal element in the semantic structure of poetry itself. Poets in their night dreams and insomnia achieve their unfulfilled dreams in their real life. In this essay, the authors seek a comparative study of the sleepless nights and dreams of Italian poet Petrarch and his Persian contemporary poet, Saadi. Given the impact that the culture and literature of nations have often on each other, it is then necessary to ponder on this phenomenon. At the end of the research we will find the similarities and differences between the meaning and the use of sleep and dream in the poems of this great face of rich Eastern and Western literature.