Leila (Hebrew: לילה‎‎; Arabic: ليلى‎‎) is a feminine given name in the Hebrew and Arabic languages. Leila is the Arabic and Hebrew word for "night": laylah. ... In the Nordic countries, Laila or Lajla (pronounced lie-lah) is derived from the Sami name Láilá, the Sami variant of Helga which means holy.
Means "night" in Arabic. This was the name of the object of romantic poems written by the 7th-century poet known as Qays. The story of Qays and Layla became a popular romance in medieval Arabia and Persia.