1. We have indeed revealed this (Message) in the night of Power:

Notes (Tafseer)

6217. Cf. xliv. 3 and n. 4690. The 23rd, 25th or 27th night of Ramadhan, as well as other nights, have been suggested as the Night of Power. See, however, the Introduction to this Sura. It is best to take this in conjunction with verse 3 below, which says that the Night of Power is better than a thousand Months. It transcends Time: for it is Allah's Power dispelling the Darkness of Ignorance, by his Revelation, in every kind of affair.