Exodus 12:42 It is a night to be much observed to Yahweh for bringing them out from the land of Egypt. This is that night of Yahweh, to be much observed of all the children of Israel throughout their generations. (See NIV)
Isaiah 65:4 Who are seated in the resting-places of the dead, and by night are in the secret places; who take pig's flesh for food, and have the liquid of disgusting things in their vessels. (See NIV)