الَّيْلِ

A word in the Arabic language will either be 1) a verb or 2) a noun or 3) a particle – الَّيْلِ is a noun

A noun may either be 1) Definite or indefinite 2) Masculine or feminine 3) Singular, dual or plural 4) Nominative, accusative or genitive

الَّيْلُ is the natural state of this definite noun and it changes to الَّيْلِ due to: 1) a preposition that precedes it or 2) a possessed noun that precedes it or 3) it’s a noun of dependent declension a) نَعْتٌ / صِفَطٌ adjectives b) التَّوْكِيْدُ emphatic c) المَعْطُوْفٌ conjunction d) البَدَلُ synonym

Surah/Below are the 44 verses in the holy Quran containing the nounالَّيْلِ
Verse
Truly in the creation of the heavens and the earth and in the alternation of the night and dayإِنَّ فِي خَلْقِ السَّمَوَاتِ وَالأَرْضِ وَاخْتِلَافِ الَّيْلِ وَالنَّهَارِ
And the ships which sail in the sea with what benefits mankindوَالفُلْكِ الَّتِي تَجْرِي فِي البَحْرِ بِمَا يَنْفَعُ النَّاسَ
And what Allah (SWT) sends down from the heavens of rainوَمَآ أَنْزَلَ اللهُ مِنَ السَّمَآءِ مِن مَّآءٍ
giving life to the earth after its death and dispersing therein of every moving creatureفَأَحْيَا بِهِ الأَرْضَ بَعْدَ مَوْتِهَا وَبَثَّ فِيْهَا مِنْ كُلِّ دَآبَّةٍ
And the shifting of the winds and the cloudsوَتَصْرِيْفِ الرِّيَاحِ وَالسَّحَابِ
2-164drifting between the heavens and the earth are indeed signs for people of understandingالمُسَخَّرِ بَيْنَ السَّمَآءِ وَالأَرْضِ لَآيَاتٍ لِّقَوْمٍ يَعْقِلُوْنَ
It is permitted for you on the nights of fasting to approach your wivesأُحِلَّ لَكُمْ لَيْلَةَ الصِّيَامِ الرَّفَثُ إِلَى نِسَآئِكُمْ
They are a covering for you and you are a covering for themهُنَّ لِبَاسٌ لَّكُمْ وَأَنْتُمْ لِبَاسٌ لَّهُنَّ
Allah (SWT) knows that you used to deceive yourselves so, He turned towards you and forgave youعَلِمَ اللهُ أَنَّكُمْ كُنْتُمْ تَخْتَانُوْنَ أَنْفُسَكُمْ فَتَابَ عَلَيْكُمْ وَعَفَا عَنْكُمْ
so now have relations with them and seek what Allah (SWT) has ordained for youفَالْئَانَ بَاشِرُوْهُنَّ وَابْتَغُوْا مَا كَتَبَ اللهُ لَكُمْ
so, eat and drink until until the white thread appears distinct to youوَكُلُوْا وَاشْرَبُوْا حَتَّى يَتَبَيَّنَ لَكُمُ الخَيْطُ الأَبْيَضُ
from the black thread of dawn then complete your fast till the nightمِنَ الخَيْطِ الأَسْوَدِ مِنَ الفَجْرِ ثُمَّ أَتِمُّوْا الصِّيَامَ إِلَى الَّيْلِ
and do not have relations with them while you are secluded in the mosquesوَلَا تُبَاشِرُوهُنَّ وَأَنْتُمْ عَاكِفُوْنَ فِي المَسَاجِدِ
These are the limits set by Allah (SWT) so do not approach themتِلْكَ حُدُوْدُ اللهِ فَلَا تَقْرَبُوهَا
2-187Thus does Allah (SWT) make clear His ordinances to mankind so that they may become righteousكَذَلِكَ يُبَيِّنُ اللهُ ءَايَاتِهِ لِلنَّاسِ لَعَلَّهُمْ يَتَّقُوْنَ
Those who spend their wealth by night and day secretly and openlyالَّذِيْنَ يُنْفِقُوْنَ أَمْوَالَهُمْ بِالَّيْلِ وَالنَّهَارِ سِرًّا وَعَلَانِيَةً
then for them, their reward is with their Lordفَلَهُمْ أَجْرُهُمْ عِنْدَ رَبِّهِمْ
2-274and no fear on them nor shall they grieveوَلَا خَوْفٌ عَلَيْهِمْ وَلَا هُمْ يَحْزَنُوْنَ
3-27
3-113
3-190
6-13
6-60
10-6
10-27
11-81
11-114
13-10
15-65
17-12
17-78
17-79
20-130
21-42
22-61
23-80
30-23
31-29
34-33
35-13
37-138
39-5
39-9
41-38
45-5
50-40
51-17
52-49
57-6
73-6Verily, the rising of the night, it is stronger stepping and more suitable a wordإِنَّ نَاشِئَةَ الَّيْلِ هِيَ أَشَدُّ وَطْئًا وَأَقْوَمُ قِيْلًا
73-20
74-33by the night when it departsوَالَّيْلِ إِذْ أَدْبَرَ
and during the night prostrate yourself to Himوَمِنَ الَّيْلِ فَاسْجُدْ لَهُ
76-26and glorify Him a long nightوَسَبِّحْهُ لَيْلًا طَوِيْلًا
81-17and by the night when it departsوَالَّيْلِ إِذَا عَسْعَسَ
84-17and by the night and what it envelopsوَالَّيْلِ وَمَا وَسَقَ
89-4and by the night when it departsوَالَّيْلِ إِذَا يَسْرِ
91-4by the night as it covers itوَالَّيْلِ إِذَا يَغْشَاهَا
92-1By the night as it envelopesوَالَّيْلِ إِذَا يَغْشَى
93-2And the night when it darkensوَالَّيْلِ إِذَا سَجَى