Imam Sadiq (a.s.) informs regarding the verse – إِنَّا أَنْزَلْناهُ‏ فِي‏ لَيْلَةِ الْقَدْرِ
…then one who recognizes Fatima (s.a.) with due recognition, then he has attained Lailatul Qadr. Surely Fatima (s.a.) has been named thus because the creation are separated from her recognition.
Tafseero Furaat al-Kufi p. 581 under the exegesis of Surah Qadr