The night on which the 1st verses of the the Holy Quran Sharif were revealed to the Prophet Hazrat Muhammad (P.B.U.H) is known as the Night of Power [Lailatul Qadr (Shabbe) , Shab Qadr]. It is generally taken to be the 27th night of the Blessed month of Ramadan Kareem. The Holy Quran states that this night is better than a thousand months. Therefore many Muslims spend the entire night in prayer. In English Lailatul Qadr' known as the Night of Value, the Night of Decree or Night of Measures, Night of Destiny, Night of Power.
Night of power lailatul-qadr prayers
Here the video Lecture speech about this night By famous islamic muslim scholar.