A staff restaurant will 50mg of seroquel help me sleep Named after the ruling Al Saud family, which came to power in the 18th century, the country includes the Hijaz region - the birthplace of the Muslim Prophet Muhammad and the cradle of Islam. This fact, combined with the Al Sauds' espousal of a strict interpretation of Sunni Islam known as Wahhabism, has led it to develop a strongly religious self-identity.