Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
ahmad-zuhd:1747 – ʿAbdullāh from my father > Zayd b. al-Ḥubāb > Khālid b. Dīnār > Abū al-ʿĀliyah

[Machine] "A man should learn the Quran and then sleep until he forgets it."  

الزهد لأحمد:١٧٤٧ – حَدَّثَنَا عَبْدُ اللَّهِ حَدَّثَنِي أَبِي حَدَّثَنَا زَيْدُ بْنُ الْحُبَابِ أَنْبَأَنَا خَالِدُ بْنُ دِينَارٍ قَالَ سَمِعْتُ أَبَا الْعَالِيَةِ قَالَ «كُنَّا نَعُدُّ مِنْ أَعْظَمِ الذُّنُوبِ

أَنْ يَتَعَلَّمَ الرَّجُلُ الْقُرْآنَ ثُمَّ يَنَامَ عَنْهُ حَتَّى يَنْسَاهُ»  

See similar narrations below:

Collected by Aḥmad's Zuhd
ahmad-zuhd:1746 – ʿAbdullāh from my father > ʿAbd al-Ṣamad > Abū Khaldah > Abū al-ʿĀliyah

[Machine] "That the man learns the Quran and then sleeps without reciting anything from it."  

الزهد لأحمد:١٧٤٦ – حَدَّثَنَا عَبْدُ اللَّهِ حَدَّثَنِي أَبِي حَدَّثَنَا عَبْدُ الصَّمَدِ حَدَّثَنَا أَبُو خَلْدَةَ عَنْ أَبِي الْعَالِيَةِ قَالَ «كُنَّا نَعُدُّ مِنْ أَعْظَمِ الذَّنْبِ

أَنْ يَتَعَلَّمَ الرَّجُلُ الْقُرْآنَ ثُمَّ يَنَامَ لَا يَقْرَأُ مِنْهُ شَيْئًا»