Question: What are the signs of Laylatul-Qadar (the night of power)?
Response: From amongst the signs of Laylatul-Qadar is that it is a calm night and the believer’s heart is delighted and at peace with it, and he becomes active in doing good actions, and the sun on the following morning rises clearly without any rays.
Shakyh Ibn al-‘Uthaymeen
Fataawa Ramadhaan – Volume 2, Page 852, Fatwa No. 841;
Fataawa ash-Shaykh Muhammad as-Saalih al-Uthaymeen – Volume 1, Page 563