Strong H3915 לַ֫יְלָה layil lêyl layelâh · night

Leviticus

1. Leviticus 6:9
   Command Aaron and his sons, saying, This is the law of the burnt offering: It is the burnt offering, because of the burning upon the altar all night unto the morning, and the fire of the altar shall be burning in it.
2. Leviticus 8:35
   Therefore shall ye abide at the door of the tabernacle of the congregation day and night seven days, and keep the charge of the Lord, that ye die not: for so I am commanded.