and prostrate to Him for a portion of the night that is at after sunset maghrib and at night ‘ishā’ and glorify Him the length of the night perform supererogatory prayers during it as mentioned above for either two thirds a half or a third of it.
- 76:2626
وَمِنَ اللَّيْلِ فَاسْجُدْ لَهُ وَسَبِّحْهُ لَيْلًا طَوِيلًا
And during the night - worship Him; and hallow Him the livelong night.
- common.revelation-Medinan
- common.hizb : 232