1. He spent his days spreading Islamic knowledge.

2. His nights passed in the remembrance of Allah Almighty.

3. He remained awake at night worshipping Allah, and shedding tears out of His fear.

4. During the night, he would recite the Quran, proclaim His greatness while bowing, and declare His purity in prostration. Let us hear about his acts of worship.

Consistency in offering Voluntary Prayers and Fasting, Day and Night

Sayyidunā MisꜤar b. Kidām رَحْمَةُ الـلّٰـهِ عَلَيْه, who was a great muḥaddith and Hadith student of Imam Abū Ḥanīfah رَحْمَةُ الـلّٰـهِ عَلَيْه, narrates:

I arrived at the Masjid of Imam Abū Ḥanīfah رَحْمَةُ الـلّٰـهِ عَلَيْه. After performing the Fajr prayer, I saw that he taught sacred knowledge to people until Ẓuhr. After the Ẓuhr prayer, he taught until ꜤAṣr; after ꜤAṣr until Maghrib; and after Maghrib until ꜤIshāˈ, he kept the gathering of sacred knowledge ongoing.

I thought to myself: When does he find time to worship? (i.e. he taught Islamic knowledge all day; surely he will rest at night). However, after the people left, he wore fine clothes, adorned himself like a groom, and returned to the masjid, where he offered voluntary prayers until Fajr. Before the Fajr  prayer, he went home, changed his clothes, retuned, and after offering Fajr in congregation, he resumed the teaching of Islamic knowledge until ꜤIshāˈ.

Sayyidunā MisꜤar b. Kidām رَحْمَةُ الـلّٰـهِ عَلَيْه states:

I thought to myself: He must be tired now, he will definitely sleep tonight, but the same routine continued the next night. Then the third day and night passed in the same manner; he taught Islamic knowledge throughout the day, and performed voluntary worship in the court of Allah at night. I was thoroughly impressed and decided to