On the first night of Shavuot, it is customary to stay awake and dedicate the night to Torah study. This beautiful and ancient tradition is known as Tikkun — a Hebrew word meaning “rectification”, specifically the rectification of the world. The custom of Tikkun Leil Shavuot is rooted in the words of the Zohar, the … The Most Powerful Night of the Year: Tikkun Leil Shavuot

