text: During evening prayer services on this holiday, many married men wear a robe called a kittel that is otherwise used as a funeral shroud.
full_question: During evening prayer services on this holiday, many married men wear a robe called a kittel that is otherwise used as a funeral shroud. One minor tradition on this holiday is the reading of the entire Book of Jonah during the afternoon service. Oral tradition dictates that people may not wash themselves or have sex while observing this holiday. One important prayer during this holiday is recited in Aramaic rather than the usual Hebrew; that is the Kol Nidre. It is observed with a 25-hour fast and special synagogue services. For 10 points, name this Day of Atonement, the holiest day of the year in Judaism.
first_sentence: During evening prayer services on this holiday, many married men wear a robe called a kittel that is otherwise used as a funeral shroud.
raw_answer: Yom Kippur