(18) باب قِيَامِ اللَّيْلِ
Narrated Aisha, Ummul Mu'minin:
Do not give up prayer at night, for the Messenger of Allah (ﷺ) would not leave it. Whenever he fell ill or lethargic, he would offer it sitting. (ES)
Reference (ES): Sunan Abi Dawud 1307 (ES)
In-book reference (ES): Book 5, Hadith 58 (ES)
English translation (ES): Book 5, Hadith 1302 (ES)